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A: Transportation Aa: Multimodal transportation Ab: Intermodal transportation Ac: Dual mode transportation systems Ae: Transportation modes Aea: Air transportation Aeac: Air taxi service Aeah: Helicopter transportation Aeap: Private flying Aeas: Commercial space transportation Aeg: Ground transportation Aegh: Highway transportation Aeghb: Bus transportation Aeght: Trucking Aeghtp: Private trucking Aeghtt: Tank trucking Aegk: Railroad transportation Aegkm: Monorail transportation Aegkt: High speed ground transportation Aegp: Pipeline transportation Aes: Water transportation Aesb: Shipping Aesbb: Ocean shipping Aesbba: Liner shipping Aesbbd: Tanker shipping Aesbbe: Tramp shipping Aesbbh: Heavy lift shipping Aesbc: Coastwise shipping Aesbe: Short sea shipping Aesf: Ferry service Aesfr: Roll on roll off shipping Aesi: Inland water transportation Aet: Public transit Aetb: Bus transit Aetbj: Jitney service Aetbr: Bus rapid transit Aetr: Rail transit Aetrc: Railroad commuter service Aetrd: Rapid transit Aetrh: Light rail transit Aett: Paratransit services Aettb: Taxi services Aettd: Demand responsive transportation Aetw: Marine transit Aex: Nonmotorized transportation Aexb: Bicycling Aexw: Walking Af: Transportation by environment Afc: International transportation Afd: Domestic transportation Afe: Intercity transportation Aff: Interstate transportation Afg: Regional transportation Afj: Local transportation Afm: Rural transportation Afma: Rural transit Afn: Urban transportation Afna: Urban transit Afs: Emergency transportation Aft: Campus transportation Afw: Airport ground transportation Afy: Intra airport transportation Afyj: Intra airport transit Aj: Transportation by load Ajf: Freight transportation Ajp: Passenger transportation Am: Transportation by ownership Amc: Commercial transportation Amg: Government transportation Amm: Military transportation Amp: Private transportation B: Transportation operations Bb: Freight and passenger services Bbb: Freight service Bbba: Intermodal services Bbbac: Containerization Bbbacc: Container on flat car Bbbacd: Doublestack service Bbbad: Piggyback transportation Bbbadt: Trailer on flat car Bbbaf: Air truck transportation Bbbam: Rail marine interface Bbbb: Unitized cargo Bbbc: Air cargo Bbc: Passenger service Bbca: Commuter service Bbd: Vehicle passenger service Bbda: Auto on train Bbe: Package and mail service Bbec: Courier service Bbeca: Air courier service Bbee: Express service Bbem: Postal service Bbema: Air mail service Bbep: Package service Bbf: Service by length of haul Bbfg: Haul distance Bbfj: Line haul Bbfk: Short haul Bbfks: Shuttle service Bbfm: Pickup and delivery service Bbfma: Delivery service Bbfn: Feeder services Bbfr: Drayage Bbfu: Urban goods movement Bbg: Charter operations Bbgc: Chartering Bbgca: Air charter service Bbgp: Charter parties Bbgy: Charters Bbh: Routes and routing Bbhe: Routes Bbhea: Hub and spoke systems Bbhead: Hubs Bbheb: Bus routes Bbhec: Fixed routes Bbhed: Trade routes Bbhef: Air routes Bbhek: Land bridge Bbhekd: Minibridge Bbhekm: Microbridge Bbhet: Truck routes Bbhr: Routing Bbhrd: Weather routing Bbhrt: Time windows Bbht: Door to door service Bbj: Schedules and scheduling Bbjf: Schedules Bbjft: Timetables Bbjh: Scheduling Bbjk: Schedule maintenance Bbjkm: On time performance Bbjp: Service time Bbjr: Layover time Bbjs: Dwell time Bbjt: Code sharing Bbju: Interlining Bbk: Rates, fares and tolls Bbkb: Rates Bbkbc: Contract rates Bbkbh: Charter rates Bbkbt: Tariffs Bbkbu: Rate making Bbkf: Fares Bbkfb: Peak fares Bbkfd: Distance based fares Bbkfh: Zone fares Bbkfk: Discount fares Bbkfm: Free fares Bbkt: Tolls Bbkts: Shadow tolls Bbktv: Variable tolls Bbkx: Rate, fare and toll collection Bbkxb: Freight billing Bbkxf: Fare collection Bbkxs: Toll collection Bbky: Fare and toll prepayment Bbkyc: Fare prepayment Bbkyp: Passes (Transportation) Bbkyt: Tokens Bbkyu: Ticketing Bbkyut: Tickets Bbp: Reservations Bbps: Reservation systems Bbpsc: Computer reservation systems Bbpsk: Overbooking Bbq: In transit passenger services Bbqm: Inflight entertainment Bbqp: Food service Bbqpd: Dining car service Bbr: Quality of service Bbrm: Level of service Bbs: Ride quality Bbsa: Passenger comfort Bbt: Service discontinuance Bby: Freight documents Bbyb: Bills of lading Bbyf: Freight bills Bbyw: Waybills Bbyws: Waybill samples Bd: Freight and passenger handling Bdb: Freight handling Bdbb: Cargo handling Bdbbc: Bulk cargo handling Bdbbck: Liquid cargo handling Bdbc: Container handling Bdbe: Accessorial services Bdbef: Fabrication Bdbet: Transit privileges Bdbf: Protective services Bdbp: Intermodal transfer Bdbpb: Offshore transfer Bdbpbm: Lighterage Bdbpd: On dock transfer Bdbw: Load shifting Bdk: Passenger handling Bdkb: Baggage Bdkbh: Baggage handling Bdkbs: Baggage screening Bdkd: Boarding and alighting Bdkda: Alighting Bdkdb: Boarding Bdke: Automated checkin Bdks: Passenger screening Bdkt: Transfers Bdku: Transfer points Bf: Freight and passenger traffic Bfb: Freight traffic Bfbe: Container traffic Bfbg: Back haul Bfbj: Traffic loads Bfbja: Carloadings Bfbjb: Less than carload traffic Bfbjm: Less than truckload traffic Bfbm: Freight traffic measurement Bfbme: Empty car miles Bfbmt: Tonnage Bfbmtb: Tonnage ratings Bfbmu: Ton miles Bfh: Passenger traffic Bfhm: Passenger traffic measurement Bfhmb: Passenger miles Bfhmba: Passenger volume Bfhmr: Ridership Bfhmt: City pairs Bh: Commodities Bha: Commodity flow Bhc: Commodity classification Bhd: Commodity density Bhg: Commodity groups Bhgb: Bulk cargo Bhgbd: Dry bulk cargo Bhgbm: Liquid bulk cargo Bhgd: Hazardous materials Bhgdd: Hazardous wastes Bhgdr: Radioactive materials Bhgdw: Radioactive wastes Bhgf: Food Bhgfp: Processed foods Bhgfs: Seafood Bhgg: Beverages Bhgp: Perishables Bhgr: Refrigerated cargo Bhgrc: Chilled cargo Bhgrf: Frozen cargo Bhgw: Waste products Bhk: Commodities by type Bhkb: Agricultural products Bhkba: Crops Bhkbb: Farm produce Bhkbba: Fruits and vegetables Bhkbbab: Vegetables Bhkbbaf: Fruits Bhkbbafc: Containerized fruit Bhkbbg: Legumes Bhkbbgs: Soybeans Bhkbc: Livestock Bhkbcm: Meat Bhkbd: Dairy products Bhkbe: Grain Bhkbew: Wheat Bhkbs: Sugar Bhkbw: Feeding stuffs Bhkc: Forest products Bhkcm: Wood products Bhkcp: Paper products Bhkf: Mines and mineral products Bhkfb: Ores Bhkfbi: Iron ores Bhkfc: Coal Bhkfcs: Coal slurry Bhkfp: Petroleum Bhkfpp: Petroleum products Bhkg: Fertilizers Bhkh: Manufactures Bhkhc: Chemicals Bhkht: Textiles Bhkhtc: Cotton Bk: Travel and shipment characteristics Bkc: Carrier selection Bkj: Trip length Bkm: Mode choice Bkmb: Automobile ownership Bkn: Travel time Bknd: Departure time Bkq: Access Bkqf: Accessibility Bkqh: Distance Bkr: Route choice Bkrb: Itinerary Bks: Travel surveys Bksa: Origin and destination Bksam: Trip matrices Bksat: Trip tables Bkv: Vehicle occupancy Bkvs: Single occupant vehicles Bm: Travel Bmb: Travel by vehicle type Bmbb: Automobile travel Bmbc: Motorcycling Bmbd: Bicycle travel Bmbdd: Bicycle commuting Bmbh: Bus travel Bmc: Travel by mode Bmca: Air travel Bmcd: Highway travel Bmcr: Railroad travel Bmcs: Ocean travel Bmf: Travel by area Bmfj: International travel Bmfk: Intercity travel Bmfr: Rural travel Bmfu: Urban travel Bmk: Travel demand Bmkb: Traffic estimation Bmkbb: Trip generation Bmkbe: Trip distribution Bmkbeg: Gravity models Bmkbej: Interzonal trips Bmkbem: Opportunity models Bmkbg: Modal split Bmkbgb: Modal diversion Bmkbgh: Modal shift Bmkbt: Traffic forecasting Bmkh: Trip purpose Bmkha: Airport access Bmkhb: Business trips Bmkhe: Emergency trips Bmkhm: Medical trips Bmkhq: Recreational trips Bmkhqc: Camping Bmkhs: Shopping trips Bmkht: School trips Bmkhu: Tourism Bmkhue: Ecotourism Bmkhw: Work trips Bmkhwd: Deadheading Bmm: Travel behavior Bmmc: Trip chaining Bmmd: Travel costs Bmme: Travel diaries Bmmt: Radial travel Bmmu: Travel patterns Bmmw: Activity choices Bmmy: Time management Bmn: Commuting Bmnb: Reverse commuting Bmnd: Telecommuting Bmne: Employer sponsored transportation Bmnk: Kiss and ride Bmnr: Bike and ride Bmr: Ridesharing Bmrb: Buspools Bmrc: Carpools Bmrcc: Casual carpooling Bmrv: Vanpools Bms: Car sharing Bn: Shipments Bna: Air shipments Bnb: Small shipments Bnd: Military shipments Bnk: Shipper demand Bnn: Handling and storage Bnnc: Demurrage Bnnd: Detention Bnq: Freight claims Bnqj: Loss and damage claims Bnqjn: Overcharge claims Bnqju: Undercharge claims Bq: Transportation facility operations Bqa: Airport operations Bqaa: Airside operations Bqam: Landside operations (Airports) Bqams: Slot allocation Bqar: Ground handling Bqas: Concessions Bqat: Fixed base operations Bqau: Airport capacity Bqd: Highway operations Bqdc: Highway capacity Bqdcd: Design capacity Bqdcr: Capacity restraint Bqdo: Freeway operations Bqr: Railroad facility operations Bqrg: Gateways Bqrt: Trackage rights Bqry: Yard operations Bqt: Terminal operations Bqu: Station operations Bqw: Waterway facility operations Bqwb: Port operations Bqwbb: Berth utilization Bqwbc: Port capacity Bqwbm: Landside operations (Ports) Bqwbmc: Landside capacity Bqwc: Canal operations Bqwct: Canal transit Bqwctm: Canal lock operations Bqwd: Drydock operations Br: Vehicle operations Bra: Fleet management Brac: Vehicle classification Brad: Dispatching Brag: Loading and unloading Bragb: Blocking Bragc: Bracing Bragk: Lashing Bragm: Oversize loads Brago: Overweight loads Brah: Stowage Bram: Temperature control Bramb: Heating Bramr: Refrigeration Bran: Vehicle marking Brank: Labeling Branp: Placarding Bras: Vehicle capacity Brc: Aircraft operations Brcb: Arrivals and departures Brcc: Cockpit resource management Brcd: Crew resource management Brcf: Flight plans Brd: Motor vehicle operations Brdd: Parking Brdda: Parking duration Brddb: Parking turnover rate Brddd: Parking demand Brddf: Fringe parking Brddm: Off street parking Brddms: Shared parking Brddn: On street parking Brddna: Angle parking Brddnc: Curb side parking Brddnp: Permit parking Brddp: Pay parking Brddpf: Parking fees Brddpr: Parking meters Brddq: No parking Brddt: Airport parking Brddv: Campus parking Brddx: Bicycle parking Brr: Railroad vehicle operations Brra: Train operations Brram: Train makeup Brrams: Switching Brramsf: Flat switching Brramsg: Gravity switching Brramt: Train consist Brrat: Special train consists Brratp: Push pull trains Brratr: Run through trains Brratu: Unit trains Brrc: Car operations (Railroads) Brrca: Car utilization (Railroads) Brrcae: Empty cars (Railroads) Brrcb: Car supply (Railroads) Brrcc: Car shortages (Railroads) Brrcd: Car distribution (Railroads) Brrce: Car location (Railroads) Brrcet: Car tracing (Railroads) Brrci: Car interchange (Railroads) Brrcn: Car ownership (Railroads) Brrcp: Car pooling (Railroads) Brrcq: Car rentals (Railroads) Brrcs: Car clearances (Railroads) Brrm: Locomotive operations Brrma: Locomotive utilization Brrq: Operating rules Brrr: Car service rules Brrs: Interchange rules Brs: Vessel operations Brsc: Merchant fleet operation Brscc: Cargo preference Brscd: Cabotage Brscr: Registry Brscs: Flags of convenience Brsd: Ship operations Brsdb: Ship's papers Brsdc: Ship classification Brsde: Ship management Brsdj: Ship outfitting Brsdk: Seakeeping Brsdm: Manning requirements Brsdt: Turnaround time Brsdu: Bunkering Brsdw: Watchkeeping Brsdy: Icebreaking Brsg: Barge operations Brsgt: Barge trains Brsn: Towboat operations Brsp: Tug ship interaction Brsy: Amphibious operations Brt: Container utilization Bru: Transit vehicle operations Brub: Bus transit operations Brubc: Run cutting Brube: Timed transfer Brubf: One man operation Brubp: Bus priority Brubx: Person capacity Bt: Traffic Bta: Traffic by mode Btaa: Air traffic Btaam: Airport traffic Btaamg: Ground traffic Btah: Highway traffic Btahb: Bus traffic Btaht: Truck traffic Btar: Railroad traffic Btas: Pipeline traffic Btaw: Water traffic Btawi: Inland waterways traffic Btawp: Port traffic Btawpc: Port congestion Btax: Transit traffic Btb: Types of traffic Btbd: Diverging traffic Btbm: Merging traffic Btbn: Opposing traffic Btbp: Peak hour traffic Btbr: One way traffic Btbs: Single lane traffic Btbt: Through traffic Bte: Traffic measurement Btea: Traffic data Bteaf: Floating car data Bteb: Vehicle miles of travel Btec: Adjustment factors Bted: Measures of effectiveness Bteh: Person miles of travel Btem: Traffic counting Btep: Passenger counting Btes: Traffic counting stations Btet: Traffic counts Btetc: Cordon counts Btetm: Manual traffic counts Btf: Traffic models Btfa: Macroscopic traffic flow Btfb: Microscopic traffic flow Btfc: Mesoscopic traffic flow Btfs: Traffic simulation Bth: Traffic characteristics Btha: Traffic assignment Bthad: Dynamic traffic assignment Bthb: Traffic incidents Bthc: Traffic conflicts Bthd: Traffic delay Bthds: Stopped time delay Bthe: Traffic density Bthf: Traffic flow Bthfc: Traffic congestion Bthfcd: Nonrecurrent congestion Bthfe: Concurrent flow Bthfh: Saturation flow Bthfho: Oversaturation (Traffic flow) Bthfi: Interrupted flow Bthfj: Uninterrupted flow Bthfk: Bottlenecks Bthfq: Traffic flow rate Bthfr: Traffic flow theory Bthfu: Traffic equilibrium Bthg: Gap acceptance Bthh: Traffic diversion Bthhd: Detours Bthj: Traffic distribution Bthjd: Directional distribution Bthjk: Lane distribution Bthjkn: Lane occupancy Bthjkp: Lateral placement Bthk: Vehicle spacing Bthkb: Bunching Bthkc: Car following Bthkf: Following distance Bthkh: Headways Bthkp: Traffic platooning Bthkt: Tailgating Bthm: Vehicle mix Bthn: Traffic queuing Bthq: Stopping Bthqd: Stopping distances Bthr: Traffic relationships Bthrf: Flow speed relationships Bthrs: Speed volume relationships Bths: Traffic speed Bthsb: Operating speed Bthsd: Speed distribution Bthse: Speed and delay studies Bthsm: Speed measurement Bthsma: Average travel speed Bthsmp: 85th percentile speed Bthsq: Free flow speeds Bthsr: Running speed Bthss: Spot speed Bthssa: Average spot speed Bthst: Speed data Bthsv: Design speed Btht: Sight distance Bthtp: Passing sight distance Bthts: Stopping sight distance Bthu: Turning traffic Bthum: Left turns Bthumm: Left turn on red Bthur: Right turns Bthurr: Right turn on red Bthuu: U turns Bthv: Traffic volume Bthva: Average daily traffic Bthvaa: Annual average daily traffic Bthvd: Design volume Bthvdh: Design hourly volume Bthvm: Link volume Bthvp: Passenger car equivalence Bthw: Weaving traffic Bthx: Traffic surveys Bu: Offroad traffic Bx: Pedestrian movement Bxc: Pedestrian counts Bxd: Pedestrian density Bxf: Pedestrian flow Bxj: Pedestrian vehicle interface Bxt: Pedestrian traffic Bxw: Walking distance C: Management and organization Ca: Management Caa: Administration Caaa: Public administration Cad: Auditing Cam: Participatory management Cap: Program management Car: Project management Cark: Construction projects Carm: Megaprojects Cat: Crisis management Caw: Total quality management Cb: Operations Cbd: Business practices Cbp: Procedures Cc: Human resources management Ccb: Personnel management Ccba: Job analysis Ccbat: Task analysis Ccbats: Time and motion studies Ccbb: Selection and appointment Ccbbh: Hiring policies Ccbbr: Recruiting Ccbk: Working conditions Ccbkb: Work rules Ccbkc: Crew size Ccbkd: Workload Ccbke: Work measurement Ccbkh: Hours of labor Ccbkhf: Flexible hours Ccbkhh: Staggered work hours Ccbkhm: Four day week Ccbkhr: Rest periods Ccbkhs: Shifts Ccbkhsn: Night shifts Ccbkp: Crew accommodation Ccbkq: Crew comfort Ccbkr: Clothing Ccbkru: Uniforms Ccbkx: Leisure time Ccbkxr: Recreation Ccbkxrb: Boating Ccbkxrh: Hiking Ccbkxrj: Skating Ccbkxrp: Outdoor recreation Ccbkxrs: Sports Ccbkxrsn: Racing Ccbkxrss: Soccer Ccbkxv: Vacations Ccbky: Work environment Ccbkyg: Work area Ccbkyi: Industrial hygiene Ccbkym: Workplace layout Ccbm: Employee compensation Ccbmb: Pay Ccbmbs: Salaries Ccbmbw: Wages Ccbmg: Employee benefits Ccbmgc: Workers compensation Ccbmgp: Pensions Ccbmgr: Profit sharing Ccbmgs: Employee ownership Ccbmgse: Employee stock ownership plans Ccbp: Employee relations Ccbpb: Employee assistance programs Ccbpc: Employee communications Ccbpd: Discrimination Ccbpe: Counseling Ccbph: Sexual harassment Ccbpi: Interviewing Ccbpj: Employee participation Ccbpje: Employee empowerment Ccbpjq: Quality circles Ccbpk: Personnel development Ccbpm: Personnel motivation Ccbpma: Awards Ccbpmj: Job satisfaction Ccbpmm: Morale Ccbpms: Grievances Ccbq: Deployment Ccbr: Personnel performance Ccbra: Absenteeism Ccbrd: Discipline Ccbrq: Performance evaluations Ccbrqq: Quality of work Ccbrqs: Self evaluation Ccbs: Supervision Ccbt: Personnel retention Ccbu: Terminations Ccbud: Dismissal Ccbug: Turnover Ccbur: Retirement Ccbure: Employee buyouts Ccbus: Layoffs Ccbw: Ethics Ccbwc: Conflict of interest Ccbwm: Medical ethics Ccbws: Corruption Ccm: Leadership Ce: Education and training Cec: Curricula Cee: Examinations Cek: Education Cekc: Continuing education Ceky: Graduate study Cet: Training Cete: Emergency training Cetp: Training programs Cetr: Retraining Cets: Specialized training Ceu: Certification Cex: Education and training methods Cexc: Computer aided instruction Cexf: Distance learning Cexp: Programmed instruction Cey: Vocational guidance Cf: Finance Cfa: Revenues Cfaa: Operating revenues Cfab: Income Cfac: Earnings Cfad: Yield (Finance) Cfady: Yield management Cfaf: Financing Cfafp: Pooled funds Cfau: Appropriations Cfb: Expenses Cfbu: Expenditures Cfbuc: Capital expenditures Cfc: Costs Cfca: Types of costs Cfcab: Operating costs Cfcac: Capital costs Cfcad: Direct costs Cfcaf: Fixed costs Cfcaj: Indirect costs Cfcak: Labor costs Cfcam: Marginal costs Cfcap: Overhead costs Cfcau: Unit costs Cfcav: Variable costs Cfcb: Benefit cost analysis Cfcbr: Cost effectiveness Cfcc: Cost control Cfccp: Cost overruns Cfcd: Cost allocation Cfce: Cost estimating Cfcf: Cost sharing Cfcj: Cost indexes Cfck: Least overall cost Cfcr: Cost recovery Cfcw: Cost finding Cfcx: Estimates Cfd: Taxes Cfda: Types of taxes Cfdac: Carbon taxes Cfdaf: Fuel taxes Cfdas: Sales tax Cfdat: Property taxes Cfdr: Taxation Cfdra: Highway user taxation Cfdrn: Apportionment Cfdrs: State taxation Cfdt: Tax receipts Cfe: Assets Cfec: Capital Cfeh: Hedging (Finance) Cfei: Investments Cfeic: Capital investments Cfem: Asset management Cfes: Securities Cfesb: Bonds Cfesbs: Surety bonds Cfess: Stocks Cff: Liabilities Cffd: Debt Cffw: Deficits Cfg: Equity (Finance) Cfh: Government funding Cfhg: Grant aid Cfhgf: Federal aid Cfhgff: Federal assistance programs Cfhgffr: Relocation assistance Cfhgs: State aid Cfhs: Subsidies Cfhsb: Operating subsidies Cfhsd: User side subsidies Cfhsf: Cross subsidization Cfi: Loans Cfig: Government guaranty Cfii: Interest rates Cfj: Credit Cfjc: Credit cards Cfk: Fees Cfka: Impact fees Cfkj: Landing fees Cfkr: Registration fees Cfm: User charges Cfp: Appraisals Cfs: Sales Cfsd: Discount Cfsm: Market value Cfsp: Pricing Cfspc: Cost of service pricing Cfspd: Value of service pricing Cfspr: Road pricing Cfsprc: Congestion pricing Cfsq: Profits Cfsqb: Profitability Cfsu: Prices Cfu: Assessments Cfv: Valuation Cfvv: Present value Cfy: Bankruptcy Cg: Accounting Cga: Financial analysis Cgac: Cash flow Cgaf: Financial ratios Cgafm: Operating ratios Cgafr: Rate of return Cgaft: Return on investment Cgb: Budgeting Cgbt: Travel budgets Cgc: Cost accounting Cgk: Depreciation Cgm: Amortization Cgr: Records management Cgrk: Recordkeeping Cgu: Billing Cgv: Payment Ch: Marketing Cha: Market assessment Chd: Market development Chm: Customer service Chq: Advertising Chqa: Attention value Chqm: Mass media Chqp: Campaigns Chqq: Advertising campaigns Chqr: Roadside advertising Chqt: Frequent flyer programs Chr: Market research Chs: Market surveys Chv: Shopping Chvh: Home shopping Chvt: Teleshopping Cj: Public relations Cjj: Publicity Cjjp: Printed publicity Cjp: Promotion Cjx: Public information programs Cm: Logistics Cmb: Purchasing Cmbg: Procurement Cmh: Warehousing Cmk: Inventory Cmka: Inventory control Cmkm: Materials management Cmks: Stockpiling Cmm: Packaging Cmo: Supply chain management Cmp: Physical distribution Cmr: Inbound transportation Cn: Insurance Cnb: Risk management Cnba: Risk analysis Cng: Insurance rates Cnj: Insurance claims Cnr: Liability Cnrf: Financial responsibility Cnrg: Government liability Cnrp: Products liability Cnrs: Tort liability Cnv: Liability insurance Cnvc: Cargo insurance Cnvh: Automobile insurance Cnvhk: No fault insurance Cnvs: Marine insurance Cnvsh: Hull insurance Cnw: Self insurance Cny: Indemnity Cp: Production Cpc: Product development Cpg: Production methods Cpgj: Just in time production Cpgs: Series production Cpk: Production control Cpkp: Productivity Cpkpc: Capital productivity Cpkpm: Labor productivity Cpkpmd: Downtime Cpkpmi: Idle time Cpkpms: Time sharing Cpkpmw: Waiting time Cpks: Sequencing Cpm: Manufacturing Cpma: Assembly lines Cpmb: Flexible manufacturing systems Cpmc: Quality control Cpmcs: Statistical quality control Cpmd: Manufacturing standards Cpmq: Quality assurance Cpmt: Remanufacturing Cpmw: Warranty Cpo: Mechanization Cpp: Output Cppp: Products Cpppn: New products Cpx: Fault tree analysis Cq: Property management Cqa: Property acquisition Cqc: Property condemnation Cqcb: Abandonment Cqcd: Eminent domain Cqcp: Taking (Property) Cqd: Property values Cqda: Unearned increment Cqdr: Rent Cqe: Right of way (Land) Cqea: Access control (Transportation) Cqeg: Easements Cqegs: Scenic easements Cqf: Development rights transfer Cqg: Airspace utilization Cqi: Industrial location Cqip: Plant location Cqm: Residential location Cqp: Ownership, leasing and rental Cqpd: Ownership Cqpdb: Build operate transfer Cqpm: Leasing Cqpme: Equipment leasing Cqpmg: Cross border leasing Cqs: Real estate development Cqsd: Land subdivision Cr: Policy, legislation and regulation Cra: Policy Craa: Policy analysis Cram: Policy making Crap: Public policy Crat: Transportation policy Crata: Air transportation policy Cratam: Open skies Cratu: Urban transportation policy Cratut: Travel demand management Cratutc: Traffic calming Cratutm: Traffic mitigation Cratutt: Traffic restraint Cratutts: Street closure Crd: Branches of law Crda: Air law Crdc: Constitutional law Crdcf: Federal conflict preemption (Law) Crdi: International law Crdit: Treaties Crdk: Labor law Crdm: Maritime law Crdr: Railroad law Crdt: Highway law Crdtp: Per se laws Cre: Laws and legislation Crea: Laws Creaa: Antitrust laws Creaf: Federal laws Creaj: Implied consent laws Creas: State laws Creau: Law uniformity Creb: Legislation Creba: Public hearings Crebd: Amendments Crebe: Earmarks Crebr: Repeal Cred: Ordinances Creg: Building codes Crf: Regulation Crfd: Deregulation Crfe: Exemption Crfea: Agricultural exemption Crfm: Consumer protection Crfr: Reregulation Crft: Regulations Crftc: Curfew Crftp: Size and weight regulations Crftr: Traffic regulations Crftrk: No passing zones Crftrl: Passing zones Crftrp: Parking regulations Crftrr: Right of way (Traffic) Crftrs: Speed limits Crftrsa: 55 mph speed limit Crftrsb: 65 mph speed limit Crftrt: Speed zones Crfw: Regulatory reform Crfx: Regulatory constraints Crg: Registration Crgr: Registrations Crh: Licensing Crhd: Driver licensing Crhdd: Driving tests Crhdg: Graduated licensing Crhm: Motor vehicle licensing Crhy: Licenses Crhym: Driver licenses Crhymc: Confiscation Crhymr: Revocation Crhyms: Suspensions Cri: Permits Crk: Compliance Crl: Conformity Crm: Administrative procedures Crn: Oversight Crp: Politics Crpf: Political factors Crpl: Lobbying Cru: Conflict management Crud: Disputes Cs: Jurisprudence and judicial processes Csa: Judicial processes Csai: Immunity (Law) Csais: Sovereign immunity Csb: Litigation Csc: Courts Csca: Court operations Cscb: Court decisions Csct: Traffic courts Csd: Trials Cse: Evidence Csee: Expert evidence Csf: Penalties Csff: Fines (Penalties) Csg: Prosecution Csh: Appeals Csi: Adjudication Csij: Justice Csijb: Criminal justice Csijc: Environmental justice Csije: Equity (Justice) Csj: Sanctions Csk: Probation Csm: Legal factors Csma: Legal action Csmc: Legal constraints Csmp: Legal responsibility Csmr: Legal rights Csmrc: Civil rights Csmrcp: Privacy Csmrw: Water rights Ct: Trade Cta: Retail trade Ctaf: Franchises Ctb: Wholesale trade Ctc: Interstate commerce Ctf: International trade Ctfe: Exports Ctfi: Imports Ctfr: Currency adjustment factor Ctfu: Ports of entry Ctfuc: Customs administration Ctm: Electronic commerce Ctr: Trade restrictions Cu: Contract administration Cua: Contracting Cuac: Contracting out Cuas: Solicitations Cub: Bids Cubc: Competitive bidding Cubj: Incentives Cubk: Disincentives Cubr: Bid rigging Cue: Brokerage Cut: Contracts Cw: Research management Cwa: Prequalifications Cwd: Qualifications Cwe: Proposals Cwf: Applications Cwg: Technical writing Cwi: Implementation Cwt: Recommendations Cwu: Utilization Cx: Interorganizational relations Cxc: Competition Cxcb: Market share Cxcd: Market dominance Cxcn: Barriers to entry (Competition) Cxe: Consensus Cxf: Cooperation Cxfj: Joint use Cxfk: Multiple use Cxh: Coordination Cy: Industry structure Cya: Market structure Cyb: Vertical integration Cyc: Horizontal integration Cyd: Decentralization Cye: Diversification Cyf: Restructuring Cyfd: Downsizing Cyg: Organization Cygb: Organizational effectiveness Cygd: Reorganization Cyj: Joint ventures Cyjc: Consortia Cym: Mergers and acquisitions Cyma: Consolidations Cyme: Mergers Cymn: Leveraged buyouts Cyp: Privatization Cyq: Nationalization D: Communication and control Dc: Control Dcb: Automation Dcg: Control systems Dcga: Actuating systems Dcgb: Adaptive control Dcgbs: Self organizing systems Dcgc: Automatic control Dcgd: Command and control systems Dcge: Electronic control Dcgf: Feedback control Dcgh: Fluidics Dcgi: Integrated systems Dcgj: Intelligent control systems Dcgk: Kalman filtering Dcgl: Linear systems Dcglm: Linear control systems Dcgm: Manual control Dcgn: Nonlinear systems Dcgp: Numerical control Dcgr: Process control Dcgrd: Distributed control Dcgrf: Feedforward control Dcgt: Real time control Dcgu: Remote control Dcgur: Radio control Dcgw: Sliding mode control Dch: Properties of control systems Dche: Equilibrium (Systems) Dchg: Fault tolerance Dchh: Interoperability Dchi: Hysteresis Dchm: Linearity Dchp: Sensitivity Dchr: Stability criteria Dchs: Systems availability Dcht: Transfer functions Dcj: Control devices Dcja: Actuators Dcjb: Automatic controllers Dcjbf: Fuzzy controllers Dcjd: Control consoles Dcjdd: Control panels Dcjm: Loops (Control systems) Dcjp: Permanent magnets Dcjr: Robots Dcjrm: Mobile robots Dcjs: Servomechanisms Dcjss: Servomotors Dcjt: Thyristors Dcju: Timers Dcm: Control system applications Dcmc: Electronic funds transfer Dcmcb: Automated toll collection Dcmcf: Automatic fare collection Dcmcp: Electronic payment (Parking) Dcmcr: Automated accounting equipment Dcmcrm: Magnetic farecards Dcmcrs: Smart cards Dcmg: Command guidance Dcmm: Control in manufacturing Dcmmb: Automated guided vehicle systems Dcmmd: Computer aided manufacturing Dcmmr: Industrial robots Dcmt: Traffic control Dcmtb: Air traffic control Dcmtbc: Advanced automation system (Air traffic control) Dcmtbf: Air traffic control radar beacon system Dcmtbfm: Mode S Dcmtbj: Aircraft separation Dcmtbm: Approach control Dcmtbp: Automated radar terminal system Dcmtbr: Enroute traffic control Dcmtbt: Flight information services Dcmtbu: Flow control (Air traffic control) Dcmtbum: Metering (Air traffic control) Dcmtbv: Free flight (Air traffic control) Dcmtbw: Radar air traffic control Dcmtbx: Terminal air traffic control Dcmtbxc: Airport surface traffic control Dcmth: Highway traffic control Dcmthc: Highway traffic control systems Dcmthca: Advanced traffic management systems Dcmthcc: Congestion management systems Dcmthcd: Lane closure Dcmthcf: Freeway management systems Dcmthcfm: Mainline metering Dcmthcfr: Ramp metering Dcmthcg: Grade crossing protection systems Dcmthcj: Incident management Dcmthcp: Positive guidance Dcmthcs: Signalization Dcmthcse: Traffic signal control systems Dcmthcseb: Area traffic signal control Dcmthcsep: Progressive traffic signal control Dcmthcsk: Traffic signal cycle Dcmthcskj: Traffic signal intervals Dcmthcskjb: Change interval (Traffic signal cycle) Dcmthcskjc: Clearance interval (Traffic signal cycle) Dcmthcskjcp: Pedestrian clearance interval (Traffic signals) Dcmthcskjg: Green interval (Traffic signal cycle) Dcmthcskjgb: Bandwidth (Traffic signals) Dcmthcskjr: Red interval (Traffic signal cycle) Dcmthcskjy: Yellow interval (Traffic signal cycle) Dcmthcskp: Traffic signal phases Dcmthcskpr: Phasing by right of way Dcmthcskpre: Exclusive phasing Dcmthcskprp: Permissive phasing Dcmthcskprs: Exclusive permissive phasing Dcmthcskpt: Phases by type of traffic Dcmthcskptm: Left turn phase Dcmthcskptp: Pedestrian phase Dcmthcskptv: Vehicular phase Dcmthcsm: Traffic signal indications Dcmthcsp: Traffic signal preemption Dcmthcsv: Traffic signal timing Dcmthcsvp: Offsets (Traffic signal timing) Dcmthct: Speed control Dcmthcw: Work zone traffic control Dcmthcwt: Tapers (Work zone traffic control) Dcmthr: Traffic control devices Dcmthrb: Warning devices for the handicapped Dcmthrbb: Audible warning devices Dcmthrbd: Detectable warning surfaces Dcmthrc: Guideposts Dcmthrcm: Mileposts Dcmthre: Highway delineators Dcmthrg: Traffic cones Dcmthrk: Traffic signs Dcmthrkb: Traffic signs by purpose Dcmthrkbg: Guide signs Dcmthrkbgd: Direction signs Dcmthrkbgr: Route signs Dcmthrkbr: Regulatory signs Dcmthrkbrq: Speed signs Dcmthrkbrs: Stop signs Dcmthrkbrsm: Multiway stop signs Dcmthrkbry: Yield signs Dcmthrkbw: Warning signs Dcmthrkk: Traffic signs by characteristics Dcmthrkkj: Illuminated traffic signs Dcmthrkkn: Overhead traffic signs Dcmthrkkr: Reflective signs Dcmthrkks: Symbol signs Dcmthrkkv: Variable message signs Dcmthrks: Traffic signs by audience Dcmthrksp: Pedestrian signs Dcmthrr: Traffic signal hardware Dcmthrrc: Traffic signal controllers Dcmthrrcb: Actuated traffic signal controllers Dcmthrrcbp: Pedestrian actuated controllers Dcmthrrcbt: Traffic actuated controllers Dcmthrrcbtf: Full traffic actuated controllers Dcmthrrcbts: Semi traffic actuated controllers Dcmthrrcp: Pretimed traffic signal controllers Dcmthrrs: Traffic signals Dcmthrrsb: Parts of traffic signals Dcmthrrsbh: Signal head Dcmthrrsbhf: Signal face Dcmthrrsk: Types of traffic signals Dcmthrrskb: Audible pedestrian signals Dcmthrrskf: Flashing traffic signals Dcmthrrskm: Lane use control signals Dcmthru: Road markings Dcmthruc: Center lines Dcmthrue: Edge lines Dcmthrum: Lane lines Dcmthrur: Raised road markings Dcmthrurr: Reflectorized road markings Dcmthruu: Rumble strips Dcmthrx: Speed control humps Dcmthw: Warrants (Traffic control devices) Dcmtr: Railroad traffic control Dcmtrg: Grade crossing protection systems Dcmtrs: Railroad signaling Dcmtrsb: Block signal systems Dcmtrsbb: Automatic block signal systems Dcmtrsc: Centralized traffic control Dcmtry: Railroad traffic control devices Dcmtrys: Railroad signals Dcmtrysc: Cab signals Dcmtrysw: Wayside signals Dcmtryt: Track circuits Dcmtv: Vessel traffic control Dcmtvh: Harbor traffic control Dcmv: Automated vehicle control Dcmvb: Guidance systems (Aircraft) Dcmvbf: Flight control systems Dcmvbm: Automatic landing systems Dcmvbp: Automatic pilot Dcmvg: Automated vehicle control for ground vehicles Dcmvgm: Longitudinal control Dcmvgmb: Automatic braking Dcmvgmh: Automatic headway control Dcmvgmhb: Asynchronous control Dcmvgmhq: Quasi synchronous control Dcmvgmhs: Synchronous control Dcmvgms: Automatic speed control Dcmvgmsi: Intelligent speed adaptation Dcmvgp: Merging control Dcmvgt: Traction control Dcmvgtb: Active suspension systems Dcmvgtf: Antilock brake systems Dcmvgy: Control of specific ground vehicles Dcmvgyc: Advanced vehicle control systems Dcmvgycb: Automated highway systems Dcmvgycd: Driver support systems Dcmvgych: Automatic steering control Dcmvgycj: Autonomous intelligent cruise control Dcmvgyf: Automatic train control Dcmvgyfd: Automatic train operation Dcmvgyfdj: Jerk control Dcmvgyfm: Automatic train protection Dcmvgyfr: Automatic train stop system Dcmvgyfu: Automatic train supervision Dcmvgyfx: Block control systems Dcmvgyfxf: Fixed block control Dcmvgyfxm: Moving block control Dcmvgyfy: Positive train control Dcmvgyg: Automated guideway transit Dcmvgygp: Personal rapid transit Dcmvgyh: Autonomous vehicle guidance Dcmvr: Trajectory control Dcmvs: Automatic vessel control Dcmvsb: Automatic pilot Dcmvsm: Dynamic positioning Dcmvsv: Voyage management systems Dcn: Navigation Dcnb: Navigation processes Dcnbd: Dead reckoning Dcnbk: Homing Dcnbp: Position fixing Dcnbs: Pilotage and driving Dcnbsc: Pilotage Dcnbscb: Aircraft pilotage Dcnbscbb: Flight training Dcnbscbg: Instrument flying Dcnbscbh: Visual flight Dcnbscbk: Landing Dcnbscbkb: Crash landing Dcnbscbkd: Ditching Dcnbscbt: Takeoff Dcnbscbu: Taxiing Dcnbscbv: Turning (Aircraft pilotage) Dcnbscs: Ship pilotage Dcnbscsd: Docking Dcnbscsj: Ice navigation Dcnbscsn: Maneuvering Dcnbscsnc: Conning Dcnbscss: Mooring Dcnbscssb: Anchoring Dcnbst: Driving Dcnbsta: Backing (Driving) Dcnbstb: Braking Dcnbstbd: Dynamic braking Dcnbstg: Gear shifting Dcnbstm: Lane changing Dcnbstp: Passing Dcnbstr: Starting (Driving) Dcnbstrc: Cold starts (Driving) Dcnbstrh: Hot starts (Driving) Dcnbsts: Steering Dcnbsty: Driving specific motor vehicles Dcnbstyb: Automobile driving Dcnbstyd: Bus driving Dcnbstym: Motorcycle driving Dcnbstyt: Truck driving Dcnbstz: Driving cessation Dcns: Navigational aids Dcnsb: Navigation systems Dcnsbb: Celestial navigation Dcnsbc: Collision avoidance systems Dcnsbd: Doppler navigation Dcnsbe: Electronic navigation Dcnsbh: Hyperbolic navigation Dcnsbj: Inertial navigation systems Dcnsbq: Radar Dcnsbqb: Continuous wave radar Dcnsbqc: Doppler radar Dcnsbqd: Drone radar Dcnsbqf: Ground penetrating radar Dcnsbqj: Laser radar Dcnsbqjp: Optical radar Dcnsbqm: Search radar Dcnsbqmn: Navigation radar Dcnsbqp: Side looking radar Dcnsbqs: Terrain avoidance radar Dcnsbqv: Weather radar Dcnsbs: Radio navigation Dcnsbsm: Loran Dcnsbsmc: Loran C Dcnsbsp: Omega navigation system Dcnsbsv: Very high frequency omnidirectional radio range Dcnsbt: Satellite navigation systems Dcnsbtg: Global Positioning System Dcnsbtm: Maritime mobile satellite system Dcnsbtn: NAVSTAR Dcnsbu: Sonic navigation Dcnsby: Tracking systems Dcnsbyb: Automatic tracking Dcnsbyr: Radar tracking Dcnsj: Navigation charts Dcnsjb: Aeronautical charts Dcnsjn: Nautical charts Dcnsp: Navigation devices Dcnspb: Beacons Dcnspbg: Highway beacons Dcnspbj: Obstruction beacons Dcnspbp: Radar beacons Dcnspbs: Radio beacons Dcnspbsw: Warning radio beacons Dcnspc: Compasses Dcnspcg: Gyrocompasses Dcnspd: Gyroscopes Dcnspe: Instrument displays Dcnspeh: Head up displays Dcnspet: Three dimensional displays Dcnspf: Flight recorders Dcnspg: Navigation computers Dcnspgp: Position indicators Dcnspj: Navigation lights Dcnspjp: Pyrotechnics Dcnspm: Navigational satellites Dcnspq: Obstruction markers Dcnspqb: Obstruction buoys Dcnspqm: Obstruction lights Dcnsps: Radar devices Dcnspsb: Radar beacons Dcnspsd: Radar displays Dcnspsdj: Radar images Dcnspsdjc: Radar clutter Dcnspsdjm: Plan position indicators Dcnspsdjt: Radar targets Dcnspsdm: Radar maps Dcnspsm: Moving target indicators Dcnspsr: Radar receivers Dcnspt: Radio navigation devices Dcnsptb: Radio beacons Dcnsptbw: Warning radio beacons Dcnsptd: Radio direction finders Dcnsptf: Emergency locator transmitters Dcnsptt: Transponders Dcnsx: Navigational aids by reference to craft Dcnsxb: Aids to navigation Dcnsxbb: Aids to air navigation Dcnsxbbt: Terminal navigation aids Dcnsxp: Onboard navigational aids Dcnsxpb: Airborne navigational aids Dcnsy: Navigational aids specific to a craft or vehicle Dcnsyb: Aircraft navigational aids Dcnsybd: Distance measuring equipment Dcnsybm: Landing aids Dcnsybmc: All weather landing systems Dcnsybmg: Glide path systems Dcnsybmj: Instrument landing systems Dcnsybmm: Microwave landing systems Dcnsybp: Stabilized platforms Dcnsybq: Tactical air navigation system Dcnsybt: Traffic alert and collision avoidance system Dcnsyh: Motor vehicle navigational aids Dcnsyhb: Automobile navigation systems Dcnsyhh: Highway beacons Dcnsyhp: Passing aid systems Dcnsyhr: Roadway guidance markers Dcnsys: Ship navigational aids Dcnsysd: Buoys Dcnsysdp: Obstruction buoys Dcnsysm: Lightships Dcnsyss: Sonar Dcnsyssd: Doppler sonar Dcnsysst: Sonar domes Dcnsyssv: Sonar transducers Dcnsysv: Voyage data recorders Dcnsz: Distress alerting systems Dcnu: Obstructions (Navigation) Dcnuc: Clearances (Navigation) Dct: Train operation Dctm: Locomotive operation Dctr: Retarder control Dm: Detection and identification Dmb: Detection and identification systems Dmbj: Identification systems Dmbjc: Character recognition Dmbjcp: Optical character recognition Dmbjj: Machine vision Dmbjjc: Computer vision Dmbjjcr: Robot vision Dmbjjh: Image analysis Dmbjjk: Image processing Dmbjjp: Pattern recognition systems Dmbjjpe: Edge detection Dmbjjt: Visual texture recognition Dmbjs: Radio frequency identification Dmbm: Monitoring Dmbr: Remote sensing Dmbt: Surveillance Dmby: Detection and identification system applications Dmbyb: Automatic car identification Dmbyc: Automatic train location Dmbye: Automatic equipment identification Dmbyp: Driver monitoring Dmbyr: Fault monitoring Dmbyt: Traffic surveillance Dmbytj: Incident detection Dmbytjb: Automatic incident detection Dmbyv: Automatic vehicle detection and identification systems Dmbyvc: Automatic vehicle classification Dmbyvj: Automatic vehicle identification Dmbyvm: Automatic vehicle location Dmbyvp: Automatic vehicle monitoring Dmbyvw: Weigh in motion Dmbyvy: Automated clearance Dmg: Detection and identification devices Dmgd: Detectors Dmgde: Types of detectors Dmgdeb: Acoustic detectors Dmgdebg: Geophones Dmgdebh: Hydrophones Dmgdebu: Ultrasonic detectors Dmgdee: Infrared detectors Dmgdeh: Loop detectors Dmgdek: Magnetic detectors Dmgdem: Magnetometer detectors Dmgdeq: Microwave detectors Dmgdet: Optical detectors Dmgdeu: Photodetectors Dmgdew: Proximity detectors Dmgdex: Scintillation counters Dmgdey: Video imaging detectors Dmgdeyb: Automatic license plate readers Dmgdr: Detectors by object of detection Dmgdre: Explosives detectors Dmgdrg: Gas detectors Dmgdri: Hot box detectors Dmgdrp: Pedestrian detectors Dmgdrr: Radar detectors Dmgdrt: Speed detectors Dmgdrv: Vehicle detectors Dmgdrvr: Radar vehicle detectors Dmgm: Landsat satellites Dmgr: Rangefinders Dmgrp: Optical rangefinders Dmgs: Scanners Dmgsp: Optical scanners Dmgspb: Bar code scanners Dmgspy: Image fields in optical scanning Dmgspyb: Bar codes Dmgspybt: Universal product codes Dmgspye: Electronic license plates Dmgu: Sensors Dmgum: In vehicle sensors Dmgume: Crash sensors Dmgumt: Tire pressure monitoring systems Dmgut: Temperature sensors Ds: Communication Dsb: Communication systems Dsbb: Data communications Dsbbe: Electronic data interchange Dsbbm: Electronic mail Dsbbp: Image transmission Dsbbs: Self describing data Dsbbt: Transborder data flow Dsbd: Digital communication systems Dsbdd: Digital subscriber lines Dsbdm: Multi access systems Dsbdmc: Access control (Communications) Dsbdmcc: Carrier sense multiple access Dsbdmcg: Code division multiple access Dsbdmcn: Demand assigned multiple access Dsbdmcr: Frequency division multiple access Dsbdmcu: Time division multiple access Dsbe: Facsimile Dsbg: Information display systems Dsbgd: Data displays Dsbgg: Digital displays Dsbgge: Digital video Dsbggm: Liquid crystal displays Dsbk: Meteor burst communications Dsbm: Microwave communication systems Dsbmm: Millimeter wave communication systems Dsbn: Mobile communication systems Dsbnb: Dedicated short range communications Dsbnm: Mobile radio Dsbnmb: Mobile telephones Dsbnmc: Cellular radio Dsbnmcb: Cellular telephones Dsbnu: Vehicle to roadside communications Dsbnw: Vehicle to vehicle communications Dsbp: Radio and television Dsbpp: Radio Dsbppd: Citizen band radio Dsbppm: Mobile radio Dsbppmc: Cellular radio Dsbppr: Radio links Dsbpps: Radio relay systems Dsbppt: Radio telephone Dsbppv: Selective calling systems Dsbppx: Time signals Dsbpv: Television Dsbpvc: Closed circuit television Dsbpvv: Teletext systems Dsbq: Satellite communication Dsbr: Signaling Dsbrh: Hand signaling Dsbs: Telecommunications Dsbsc: Teleconferencing Dsbss: SONET Dsbsv: Voice communication Dsbt: Telephone Dsbtb: Audiotex Dsbu: Telex Dsbv: Videotext Dsbw: Wireless communication systems Dsbwb: Bluetooth technology Dsbwp: Personal communication networks Dsbx: Wideband communication systems Dsbxs: Spread spectrum communications Dsf: Communication systems by recipient Dsfm: Mass communication Dsfp: Traveler information and communication systems Dsfpb: Advanced traveler information systems Dsfpc: Motorist aid systems Dsfpcb: Automatic crash notification Dsfpce: Emergency road service Dsfpcg: Freeway service patrols Dsfpd: Driver information systems Dsfpdb: Advanced driver information systems Dsfpdf: Automatic radio information Dsfpdh: Highway advisory radio Dsfpdp: Road weather information systems Dsfpdr: Route guidance Dsfpdrp: Parking guidance systems Dsfpp: Passenger information systems Dsg: Communication devices Dsgc: Communications satellites Dsgk: Optical waveguides Dsgl: Personal communication devices Dsgm: Radio equipment Dsgmb: Antennas Dsgmbd: Dipole antennas Dsgmbg: Directional antennas Dsgmbn: Omnidirectional antennas Dsgmbs: Radar antennas Dsgmbsp: Phased arrays Dsgmc: Antenna accessories Dsgmcr: Radomes Dsgme: Emergency radio equipment Dsgmec: Call boxes (Driver aid devices) Dsgmm: Multiplexers Dsgmr: Radio receivers Dsgmt: Radio transmitters Dsgmv: Terminal equipment (Radio) Dsgmw: Transceivers Dsgmx: Transponders Dsgp: Signal devices Dsgpk: Signal lights Dsgr: Signs Dsgrm: Lettering Dsgrp: Sign sheeting Dsgrs: Symbols Dsgs: Suppressors Dsgv: Telephone equipment Dsgvm: Modems Dsgw: Terminals (Communications) Dsgx: Transducers Dsgxe: Electroacoustic transducers Dsgxp: Piezoelectric transducers Dsgxz: Vibrating wire transducers Dsm: Transmission Dsmb: Messages (Communications) Dsmbc: Communications traffic Dsmbe: Entropy (Communications) Dsmbr: Recording Dsmbs: Signals Dsmbsb: Arrows (Signals) Dsmbsd: Distress signals Dsmbsr: Radio signals Dsmbst: Strobes Dsmbsw: Warning signals Dsmbt: Text messaging Dsmm: Transmission techniques Dsmmb: Broadcasting Dsmmbb: Digital audio Dsmmbt: Digital television Dsmmd: Fiber optics Dsmmf: Frequency allocation Dsmmh: Line of sight Dsmmj: Modulation (Communications) Dsmmjb: Amplitude modulation Dsmmjf: Frequency modulation Dsmmjp: Pulse modulation Dsmmjpc: Pulse code modulation Dsmmjpd: Pulse duration modulation Dsmmm: Multiplexing Dsmmmt: Time division multiplexing Dsmmmtp: Packet switching Dsmmp: Segmentation (Communications) Dsmmr: Signal processing Dsmmrb: Acoustic signal processing Dsmmt: Speech recognition Dsmmts: Speech synthesis Dsmmv: Telemetry Dsmr: Transmission errors and interference Dsmrc: Crosstalk Dsmrj: Interference Dsmrjc: Atmospheric interference Dsmrje: Electromagnetic interference Dsmrjj: Inductive interference Dsmrjr: Radio frequency interference Dsmrjt: Telephone influence factors Dsmrk: Multipath transmission Dsmrn: Noise (Communications) Dsmrns: Signal to noise ratio Dsmrs: Splitting (Communications) Dsmrt: Transmission loss Dt: Telematics Dtv: Intelligent transportation systems Dtvb: ITS program applications Dtvbc: Advanced public transportation systems Dtvbf: Advanced rural transportation systems Dtvbu: Commercial vehicle operations Dtvm: ITS program technologies Dtvmj: Advanced traffic management systems Dtvmn: Advanced traveler information systems Dtvmnd: Advanced driver information systems Dtvmr: Advanced vehicle control systems Dtvx: Intelligent transportation systems programs E: Planning and design Ep: Planning Epd: Planning stages Epdb: Evaluation and assessment Epdbb: Analysis Epdbbb: Alternatives analysis Epdbc: Ratings Epdbd: Evaluation Epdbe: Technology assessment Epdbf: Feasibility analysis Epdbn: Needs assessment Epdbp: Deficiencies Epdbr: Performance measurement Epdm: Planning methods Epdmc: Contingency planning Epdmd: Decision making Epdmdm: Multiple criteria decision making Epdmf: Forecasting Epdmfb: Box Jenkins forecasting Epdmfd: Delphi method Epdmft: Technological forecasting Epdmk: Long range planning Epdmm: Multiple use planning Epdmp: Short range planning Epdmq: Sketch planning Epdms: Strategic planning Epdmy: Systems analysis Epdmyn: Network analysis (Planning) Epdr: Plan implementation Epdrb: Beautification Epdrd: Development Epdrdj: Joint development Epdrdm: Mixed use development Epdrdr: Redevelopment Epdrdru: Urban renewal Epdrds: Sustainable development Epdrdt: Transit oriented development Epdrh: Historic preservation Epdrhs: Historic sites Epdrk: Improvements Epdrm: Modernization Epdrn: No build Epdrp: Programming (Planning) Epdrq: Resource allocation Epdrs: Scheduling Epdu: Planning by facility or land use Epdum: Land use planning Epdumb: Master plans Epdumc: City planning Epdumcs: Smart growth Epdumr: Regional planning Epdut: Transportation planning Epdutb: Airport planning Epduth: Highway planning Epduts: Sustainable transportation Epdutt: Transportation system management Es: Design Esd: Design methods Esdb: Computer aided design Esdc: Earthquake resistant design Esdcb: Base isolation Esdf: Estimating Esdg: Geometric design Esdh: Human factors engineering Esdhm: Human machine systems Esdhmd: Driver vehicle interfaces Esdhmg: User interfaces (Computer science) Esdhmgg: Graphical user interfaces Esdm: Life cycle analysis Esdmc: Life cycle costing Esdr: Redundancy Esds: Systems engineering Esdsc: Critical path method Esdsp: PERT Esdss: System design Esdu: Ultimate load design Esdw: Wind resistant design Esm: Design practices Esmd: Design standards Esmg: Graphics Esmgd: Drafting Esmgdd: Drawdown (Graphics) Esmgdm: Layout Esmgh: Imagery Esmghf: Holography Esmghj: Infrared imagery Esmghr: Radiography Esmghrt: Tomography Esmght: Thermal imagery Esmgm: Mapping Esmgmd: Digital mapping Esmgmp: Projection (Cartography) Esmgmpb: Azimuthal map projection Esmgmpg: Grids (Coordinates) Esmgmps: Stereographic projection Esmgp: Photography Esmgpb: Aerial photography Esmgpe: Color photography Esmgpg: Digitized photography Esmgpk: High speed photography Esmgpp: Infrared photography Esmgpt: Time lapse photography Esmgpx: Underwater photography Esmk: Location Esmkr: Relocation (Facilities) Esmks: Spacing Esmm: Materials selection Esmmm: Mix design Esmmp: Proportioning Esmmpw: Water cement ratio Esms: Surveying Esmsf: Surveying methods and processes Esmsfb: Aerial surveying Esmsfd: Alignment Esmsff: Geodetic surveying Esmsfj: Photogrammetry Esmsfjb: Aerial photogrammetry Esmsfm: Photointerpretation Esmsfp: Photologging Esmsfq: Referencing Esmsfs: Setting out (Surveying) Esmsft: Triangulation Esmsr: Surveying by feature Esmsrb: Archaeological surveying Esmsrg: Geological surveying Esmsrgs: Soil mapping Esmsrgt: Terrain evaluation Esmsrh: Hydrographic surveying Esmsrhh: Hydrographs Esmsrhhf: Flood hydrographs Esmsrhhu: Unit hydrographs Esmsrr: Route surveying Ess: Service life Est: Serviceability Esty: Serviceability of specific facilities or equipment Estyd: Pavement distress Estyp: Pavement performance Esu: Design of specific facilities Esuh: Barrier free design Esum: Landscape design Esumr: Roadside improvement Esus: Structural design Esusb: Bridge design Esush: Highway design Esushb: Context sensitive design Esushc: Traffic channelization Esushp: Pavement design Esushpm: Mechanistic design Esushs: Superelevation Esusk: Interior design Esuu: Urban design Esuus: Streetscape Esv: Vehicle design Esvs: Streamlining Esx: Equipment design Esxj: Instrumentation Ew: State of the art Ewb: Best practices Ewc: State of the practice Ex: Standardization Ey: Innovation Eyi: Inventions Eyt: Technological innovations F: Construction and maintenance Fc: Construction Fca: Building Fcac: Bonding and joining Fcacb: Bonding Fcacbc: Cladding Fcacbg: Gluing Fcacj: Joining Fcacjb: Bolting Fcacjbr: Rock bolting Fcacjs: Splicing Fcacjv: Structural connection Fcae: Erection (Building) Fcaj: Demolition Fcam: Drilling Fcamb: Boring Fcamr: Rotary drilling Fcap: Electrical installation Fcapg: Electrical grounding Fcaps: Splicing Fcapu: Wiring Fcat: Pile driving Fcau: Positioning Fcauk: Leveling Fcaukc: Cross leveling Fcaun: Lowering Fcaw: Prestressing Fcax: Supporting Fcaxb: Bracing Fcaxe: Embedment (Building) Fcaxs: Shoring Fcay: Tensioning Fcayn: Posttensioning Fcays: Pretensioning Fcb: Materials adaptation and use Fcba: Aeration Fcbb: Comminution Fcbbc: Crushing Fcbbg: Grinding Fcbbs: Shredding Fcbc: Compaction Fcbct: Tamping Fcbcv: Vibratory compaction Fcbd: Cutting Fcbdg: Glazing Fcbdm: Sawing Fcbdt: Scarifying Fcbdw: Sectioning Fcbe: Densification Fcbg: Drying Fcbgp: Oven drying Fcbj: Forming Fcbjb: Attenuation (Engineering) Fcbjc: Casting Fcbjd: Curling Fcbje: Extrusion Fcbjj: Injection molding Fcbjr: Reaction injection molding Fcbjs: Straightening Fcbk: Impregnation (Engineering) Fcbl: Machining Fcbm: Mechanical analysis Fcbme: Filtration Fcbmh: Flotation Fcbn: Milling Fcbp: Mixing Fcbpb: Blending Fcbpp: Premixing Fcbq: Pouring Fcbr: Processing (Materials) Fcbu: Refining Fcbv: Spreading Fcbw: Surface preparation Fcbwp: Planing Fcbws: Sanding Fcbx: Wetting Fcby: Adaptation and use of specific materials Fcbyd: Adaptation and use of bituminous materials Fcbydb: Bituminous construction Fcbydd: Dryer drum process Fcbye: Masonry construction Fcbyeb: Brick construction Fcbyeg: Grouting Fcbyep: Plugging Fcbyf: Composite construction Fcbyfs: Sandwich construction Fcbyg: Concrete construction Fcbygf: Concrete curing Fcbygfb: Autoclave curing Fcbygfm: Membrane curing Fcbygfs: Steam curing Fcbygj: Concrete finishing Fcbygjb: Brooming Fcbygm: Formwork Fcbygo: Joint construction Fcbygp: Joint sealing Fcbygr: Concrete mixing Fcbygt: Concrete placing Fcbygu: Segmental construction Fcbygv: Scoring (Concrete) Fcbygx: Reinforcement (Engineering) Fcbygxm: Longitudinal reinforcement Fcbygxs: Shear reinforcement Fcbygxt: Transverse reinforcement Fcbyj: Metal working Fcbyja: Cold working Fcbyjb: Corrugating Fcbyjc: Forging Fcbyjcc: Cold forming Fcbyjch: Hot rolling Fcbyjg: Metal coating Fcbyjge: Electroplating Fcbyjgg: Galvanizing Fcbyjggh: Hot dipping Fcbyjgs: Surfacing Fcbyjj: Preforming Fcbyjm: Metal cutting Fcbyjmf: Flame cutting Fcbyjmn: Notching (Cutting) Fcbyjmp: Plasma arc cutting Fcbyjq: Metal hardening Fcbyjqb: Age hardening Fcbyjqf: Flame hardening Fcbyjqp: Peening Fcbyjqq: Strain hardening Fcbyjqs: Surface hardening Fcbyjs: Metal heating Fcbyjsb: Annealing Fcbyjsn: Sintering Fcbyjsq: Smelting Fcbyjss: Stress relieving Fcbyjst: Tempering Fcbyjt: Trimming Fcbyju: Powder metallurgy Fcbyjv: Welding Fcbyjvb: Automatic welding Fcbyjvd: Electric arc welding Fcbyjvdg: Gas metal arc welding Fcbyjvdj: Inert gas shielded arc welding Fcbyjvds: Submerged arc welding Fcbyjvf: Electron beam welding Fcbyjvh: Electroslag welding Fcbyjvs: Soldering Fcbyjvsb: Brazing Fcbyjvu: Spot welding Fcbyjvw: Thermit welding Fcbys: Soil stabilization Fcbysg: Ground freezing Fcbysm: Liming of soils Fcbyss: Soil compaction Fcbyst: Soil densification Fcbysw: Soil nailing Fcbyw: Timber construction Fcc: Materials and structures protection Fccb: Fumigation Fccd: Protective coating Fccde: Encapsulation Fccdp: Painting Fccdpk: Paint removal Fccdpn: Spray painting Fccdps: Spreading rate (Painting) Fccds: Sealing (Technology) Fccdss: Stuffing Fccdsu: Undersealing Fccm: Protection against environmental damage Fccmc: Corrosion protection Fccmcb: Anodic protection Fccmcc: Cathodic protection Fccmcr: Rust prevention Fccmf: Frost protection Fccmj: Ice prevention Fccmw: Weatherproofing Fccmww: Waterproofing Fccs: Preservation Fccu: Surface treating Fcd: Environmental control Fcdd: Damping (Engineering) Fcdf: Fog dispersal Fcdh: Humidity control Fcdm: Lighting Fcdt: Temperature control Fcdtc: Cooling Fcdtcr: Refrigeration Fcdth: Heating Fcdthf: Induction heating Fcdthp: Infrared heating Fcdths: Preheating Fcdthu: Reheating Fcdv: Vibration control Fcdvj: Vibration isolation Fce: Construction by environment Fcec: Cold weather construction Fceh: Hot weather construction Fcep: Offshore construction Fces: Underground construction Fcest: Trenchless technology Fcestp: Pipe bursting Fceu: Underwater construction Fcf: Construction of specific facilities Fcff: Road construction Fcffj: Pavement grooving Fcffn: Pavement widening Fcffp: Paving Fcffps: Slip form paving Fcffr: Seal coating Fcffs: Striping Fcfh: Water control Fcfhb: Bank protection Fcfhbs: Shore protection Fcfhd: Channel stabilization Fcfhe: Dewatering Fcfhf: Drainage practices Fcfhfp: Pipe jacking Fcfhh: Flood protection Fcfhhf: Flood routing Fcfhhr: River regulation Fcfhs: Seepage control Fcfhw: Water storage Fcfm: Landscaping Fcfmc: Cultivation Fcfmm: Mulching Fcfmp: Planting Fcfmpt: Transplanting Fcfms: Seeding Fcfn: Pipe laying Fcfp: Railroad construction Fcfpe: Railroad electrification Fcfpt: Track laying Fcfx: Excavation and tunneling Fcfxe: Excavation Fcfxee: Earthwork Fcfxeeb: Backfilling Fcfxeec: Cutting (Earthwork) Fcfxeeg: Grading (Earthwork) Fcfxeh: Explosive excavation Fcfxehn: Nuclear excavation Fcfxen: Open cut excavation Fcfxer: Rock excavation Fcfxern: Presplitting (Blasting) Fcfxerr: Rock drilling Fcfxerrd: Diamond drilling Fcfxes: Shaft sinking Fcfxet: Trenching Fcfxeu: Underwater excavation Fcfxeud: Dredging Fcfxt: Tunneling Fcfxtc: Cut and cover tunneling Fcfxtf: Full face tunneling Fcfxtm: Mucking Fcfxts: Shielding (Tunneling) Fcv: Construction of specific vehicles Fcvs: Shipbuilding Fcvsc: Ship conversion Fcvsf: Fairing lines Fcvsm: Launching Fcy: Construction management Fcyc: Construction scheduling Fcyh: Design build construction Fcyq: Quality control Fm: Maintenance Fmb: Maintenance practices Fmbb: Cleaning Fmbbc: Blast cleaning Fmbbe: Dust control Fmbbf: Flushing Fmbbh: Hydraulic jetting Fmbbp: Purification Fmbbw: Washing Fmbk: Rehabilitation (Maintenance) Fmbm: Retrofitting Fmbn: Reconstruction Fmbp: Strengthening (Maintenance) Fmbpj: Jacketing (Strengthening) Fmbr: Repairing Fmbs: Snow and ice control Fmbsb: Anti-icing Fmbsd: Deicing Fmbss: Snow removal Fmbw: Winter maintenance Fmm: Special maintenance systems Fmmd: Deferred maintenance Fmmm: Maintenance management Fmmmb: Bridge management systems Fmmmp: Pavement management systems Fmmp: Preventive maintenance Fmmz: Zero maintenance systems Fmu: Maintenance of specific facilities Fmuh: Highway maintenance Fmuhp: Pavement maintenance Fmuhpc: Crack and seat treatment Fmuhpf: Full-depth reclamation Fmuhpi: In-place recycling Fmuhpic: Cold in-place recycling Fmuhpih: Hot in-place recycling Fmuhpm: Mudjacking Fmuhpp: Patching Fmuhpr: Resurfacing Fmuhs: Street cleaning Fmuk: Landscape maintenance Fmukf: Fertilization (Horticulture) Fmukm: Mowing Fmuko: Plant diseases Fmukp: Pest control Fmukpa: Aerial application Fmukpb: Biological control Fmukt: Vegetation control Fmuktb: Brush control Fmuktw: Weed control Fmukv: Watering Fmukvj: Irrigation Fmun: Maintenance of way Fmung: Rail grinding Fmunm: Rail lubrication Fmv: Vehicle maintenance Fmve: Engine tuning Fmvev: Valve timing Fmvm: Lubrication Fmvmo: Oil changing Fmvr: Refueling Fmw: Installation Fmx: Equipment maintenance Fmxp: Pressurization Fmxt: Troubleshooting Fmy: Equipment replacement G: Testing Gb: Tests Gbb: Tests specific to a material, structure or device Gbbc: Emissions testing Gbbe: Equipment tests Gbbef: Diagnostic tests Gbbefe: Fault location Gbbej: Impulse tests Gbbeq: Shakedown tests Gbber: Self diagnostic routines Gbbes: Stress tests (Equipment) Gbbev: Validation Gbbm: Materials tests Gbbmb: Aggregate tests Gbbmbc: Aggregate gradation Gbbmbcg: Gap grading Gbbmbp: Polished stone value test Gbbmbs: Sand equivalent test Gbbmbu: Sodium sulfate test Gbbmbw: Tube suction test Gbbmd: Asphalt tests Gbbmdh: Hveem test Gbbmdm: Marshall test Gbbmk: Concrete tests Gbbmkc: Consistency tests Gbbmkp: Pull out test Gbbmks: Slump test Gbbmku: Soundness test Gbbmm: Metal tests Gbbmmn: Notch tests Gbbmr: Soil tests Gbbmrj: Index tests Gbbmrm: Plate bearing test Gbbmrp: Shaking table test Gbbmrq: Shear tests Gbbmrqd: Direct shear tests Gbbmrqt: Triaxial shear tests Gbbmrqu: Undrained shear tests Gbbmrqv: Vane shear tests Gbbmrs: Soil compaction test Gbbmrt: Soil consolidation test Gbbmru: Soil penetration test Gbbmrud: Dynamic penetration test Gbbmrus: Static penetration test Gbbmt: Soil cement tests Gbbmtw: Wetting and drying tests Gbbs: Structural tests Gbbv: Vehicle tests Gbbvf: Flight tests Gbbvr: Road tests Gbbvs: Ship trials Gbbvsp: Open water tests Gbbvspy: Zig zag tests Gbc: Chemical tests Gbcc: Chemical analysis Gbcca: Activation analysis Gbccan: Neutron activation analysis Gbccb: Bioassay Gbccc: Chromatography Gbcccd: Gas chromatography Gbcccg: Gel permeation chromatography Gbcccj: Ion exchange chromatography Gbcccm: Liquid chromatography Gbccg: Gas analysis Gbccm: Gravimetric analysis Gbccmt: Thermogravimetric analysis Gbccn: Infrared analysis Gbccp: Microanalysis Gbccq: Qualitative analysis Gbccr: Quantitative analysis Gbccs: Radiometric analysis Gbcct: Spectrochemical analysis Gbcctf: Flame photometry Gbcctm: Mass spectrometry Gbccu: Thermal analysis Gbccud: Differential thermal analysis Gbccv: Trace analysis Gbccw: Volumetric analysis Gbccx: X ray analysis Gbcf: Corrosion tests Gbcfs: Salt fog tests Gbcq: Flammability tests Gbcs: Immersion tests Gbg: Mechanical tests Gbgb: Bend tests Gbgd: Compression tests Gbgf: Creep tests Gbgh: Fatigue tests Gbgj: Fracture tests Gbgl: Hardness tests Gbglm: Mohs scale Gbgn: Impact tests Gbgnd: Drop tests Gbgnp: Pendulum tests Gbgp: Load tests Gbgpb: Bearing tests Gbgpd: Deflection tests Gbgps: Stiffness tests Gbgr: Pumping tests Gbgt: Relaxation tests Gbgu: Spiral flow tests Gbgv: Tension tests Gbgvd: Ductility tests Gbgvr: Resistance tests Gbgw: Torsion tests Gbgx: Vibration tests Gbh: Nondestructive tests Gbhb: Acoustic emission tests Gbhn: Nuclear tests Gbhs: Sonic tests Gbhu: Ultrasonic tests Gbj: Tests for suitability, service and quality Gbjb: Acceptance tests Gbjd: Durability tests Gbjdn: Temperature endurance tests Gbjdnf: Freeze thaw tests Gbjdnm: Low temperature tests Gbjdnp: Oven tests Gbjm: Leak tests Gbjp: Performance tests Gbjs: Prototype tests Gbju: Sieve analysis Gbk: Surface texture tests Gbkb: Abrasion tests Gbkf: Friction tests Gbks: Skid resistance tests Gbm: Weld tests Gbp: Tests by cycle Gbpd: Accelerated tests Gbpf: Cyclic tests Gbs: Static and dynamic tests Gbsd: Dynamic tests Gbss: Static tests Gbw: Tests by location Gbwf: Field tests Gbwm: Laboratory tests Ge: Structural analysis Geb: Dynamic structural analysis Gebm: Modal analysis Gee: Elastic analysis Gef: Equilibrium methods (Structural analysis) Geh: Failure analysis Gej: Finite element method Gek: Mohr circles Gem: Plastic analysis Geq: Stability analysis Geqm: Method of slices Get: Static structural analysis Gev: Strut and tie method Gey: Yield line method Gm: Measurement Gmc: Measurement of specific phenomena Gmce: Measurement of electromagnetic phenomena Gmceh: Harmonic analysis (Physics) Gmcep: Optical measurement Gmcepc: Colorimetry Gmcepp: Photometry Gmcer: Radiometry Gmces: Spectroscopic analysis Gmcesb: Absorption spectroscopy Gmcesbu: Ultraviolet spectroscopy Gmcesf: Infrared spectroscopy Gmcesg: Spectrographic analysis Gmcesp: Spectrophotometry Gmceu: Spectrum analysis Gmcex: Waveform analysis Gmcg: Flow measurement Gmck: Strain measurement Gmcn: Temperature measurement Gmcp: Velocity measurement Gmcps: Speed measurement Gmcs: Wave measurement Gmcw: Weight measurement Gmm: Measuring methods Gmmd: Dimensional analysis Gmme: Electrical measurement Gmmg: Empirical methods Gmms: Sounding Gmmv: Vacuum measurement Gms: Values in measurement Gmsa: Azimuth Gmsb: Base lines Gmsc: Benchmarks Gmsd: Constants Gmse: Calibration Gmsf: Coordinates Gmsg: Gage (Rails) Gmsh: Accuracy Gmsk: Errors Gmsm: Magnitude Gmsmp: Precision Gmso: Metrics (Quantitative assessment) Gmsq: Quanta Gmsu: Uncertainty Gmsw: Weighting Gmy: Systems of measurement Gmym: Metric system Gmyr: Imperial system of units Gmyu: U.S. customary system of units Gn: Investigation of structure Gnk: Metallography Gnm: Microscopy Gr: Inspection Grc: Condition surveys Grf: Flaw detection Gry: Inspection equipment Grys: Smart pigs Gs: Experiments Gt: Sampling Gtc: Acceptance sampling Gu: Testing equipment Gub: Automatic test equipment Guc: Centrifuges Gug: Gyratory testing machines Guk: Indicating instruments Gukc: Clocks Gukp: Odometers Guks: Speed indicators Gukss: Speedometers Gukw: Weight indicators Gum: Measuring instruments Gume: Measuring instruments by technique Gumeb: Acoustic measuring instruments Gumec: Cells (Measuring devices) Gumecm: Load cells Gumek: Micrometers Gumen: Nuclear gages Gumend: Nuclear density gages Gumenm: Nuclear moisture gages Gumenp: Nuclear probes Gumep: Optical instruments Gumepr: Reflectometers Gumes: Probes (Measuring devices) Gumesn: Nuclear probes Gumesp: Pressiometric probes Gump: Instruments for measuring specific phenomena Gumpa: Accelerometers Gumpab: Accelerographs Gumpb: Altimeters Gumpc: Calorimeters Gumpd: Instruments for measuring electricity Gumpdc: Circuit analyzers Gumpde: Electric meters Gumpdg: Galvanometers Gumpdgg: Galvanic skin response Gumpdn: Noise generators Gumpdp: Oscilloscopes Gumpdt: Transient analyzers Gumpdv: Voltmeters Gumpf: Instruments for measuring electromagnetic phenomena Gumpff: Frequency analyzers Gumpfj: Interferometers Gumpfm: Magnetometers Gumpfp: Photometers Gumpfq: Radiometers Gumpfr: Signal generators Gumpfs: Spectrometers Gumpfss: Satellite infrared spectrometers Gumpft: Spectrophotometers Gumpfv: Time domain reflectometers Gumpfw: Wavemeters Gumph: Instruments for measuring expansion Gumphd: Dilatometers Gumpj: Flowmeters Gumpm: Fluorometers Gumpn: Gravimeters Gumpp: Instruments for measuring loads or pressure Gumppb: Barometers Gumppe: Load cells Gumpph: Loadometers Gumppi: Oedometers Gumppj: Piezometers Gumppn: Pitot tubes Gumppr: Pressiometric probes Gumpps: Pressure gages Gumppt: Pressure transducers Gumppv: Strain gages Gumpq: Sound level meters Gumpr: Instruments for measuring power Gumprd: Dynamometers Gumprp: Potentiometers Gumps: Seismometers Gumpt: Instruments for measuring speed or velocity Gumptb: Anemometers Gumpts: Speedometers Gumptt: Tachometers Gumptv: Velocimeters Gumptvm: Laser velocimeters Gumptvmd: Laser doppler velocimeters Gumpv: Stress gages Gumpw: Instruments for measuring time Gumpwc: Chronometers Gumpwe: Clocks Gumpy: Vibrometers Gums: Instruments for measuring specific properties Gumsb: Instruments for measuring chemical content or structure Gumsbh: Hygrometers Gumsbm: Mass spectroscopes Gumsbmm: Mass spectrometers Gumsbn: Moisture meters Gumsbp: Nuclear moisture gages Gumsd: Instruments for measuring consistency Gumsdc: Consolidometers Gumsdp: Penetrometers Gumsdpc: Cone penetrometers Gumsj: Instruments for measuring deformation or deflection Gumsjb: Benkelman beam Gumsjd: Deflectometers Gumsjdf: Falling weight deflectometers Gumsje: Dynaflect Gumsjg: Extensometers Gumsjj: Inclinometers Gumsjr: Road raters Gumsm: Instruments for measuring density Gumsmd: Densitometers Gumsmn: Nuclear density gages Gumsp: Porosimeters Gumsr: Instruments for measuring roughness Gumsrp: Profilometers Gumsrr: Road meters Gumss: Sizing apparatus Gumsss: Sieves Gumst: Instruments for measuring the strength of asphalt Gumstc: Hveem cohesiometer Gumsts: Hveem stabilometer Gumsv: Temperature measuring instruments Gumsvc: Thermocouples Gumsvm: Thermometers Gumsvs: Thermostats Gumsx: Viscometers Gumsy: Weighing devices Gumt: Surveying instruments Gumts: Theodolites Gumu: Meteorological instruments Gumub: Anemometers Gumuf: Barometers Gumum: Hygrometers Gumun: Psychrometers Gumur: Rain gages Gumy: Instruments for measuring fluid properties or phenomena Gumyd: Dilatometers Gumyf: Flowmeters Gumyh: Hydrometers Gumyn: Permeameters Gumyp: Pitot tubes Gumyq: Pressure transducers Gumyr: Psychrometers Gumys: Stream gages Gumyt: Tensiometers Gumyv: Viscometers Gup: Microscopes Gupe: Electron microscopes Gur: Recording instruments Gurd: Deflectographs Gurp: Oscillographs Gurq: Profilographs Gurs: Seismographs Gurt: Tachographs Gurv: Thermographs Gus: Samplers Gusq: Soil samplers Gut: Spectrum analyzers Guu: Test piles Gux: Test stands Guxt: Test beds Gv: Samples, specimens and test holes Gvm: Samples Gvmd: Disturbed samples Gvmu: Undisturbed samples Gvmx: Representative samples (Testing) Gvp: Specimens Gvpc: Cores (Specimens) Gvt: Test holes Gvtb: Boreholes Gvtm: Logging (Recording) Gw: Structural models Gwp: Prototypes Gws: Scale models Gy: Test procedures H: Safety and security Ha: Safety Haa: Transportation safety Haaa: Aviation safety Haam: Marine safety Haamm: Maritime safety Haap: Pipeline safety Haar: Railroad safety Haat: Traffic safety Haath: Highway safety Haathw: Work zone safety Haatk: Trucking safety Haau: Transit safety Haav: Vehicle safety Haava: Escape systems Haavf: Fleet safety Haavr: Recall campaigns Haavs: Vehicle fitness Haavsf: Airworthiness Haavsg: Crashworthiness Haavsh: Seaworthiness Haaw: Pedestrian safety Hac: Construction safety Hap: Product safety Haq: Occupational safety Har: School safety Harp: School patrols Has: Safety factors Hasm: Legibility Hasv: Visibility Hasvd: Visibility distance Hasvn: Night visibility Hau: Safety engineering Hauf: Fail safe systems Haus: System safety Haw: Safety programs Hawa: Safety audits Hawc: Safety campaigns Hawm: Safety management Hawp: Safety propaganda Hawt: Safety education Hawtt: Traffic safety education Hawttd: Driver education Hawttdb: High school driving courses Hawttdc: Classroom driver instruction Hawttdt: Driver training Hawttdu: Driver rehabilitation Hawttdv: Driver improvement programs Hawttp: Pedestrian education Hax: Countermeasures Hay: Risk assessment Hb: Accidents Hbb: Accident types Hbba: Aircraft accidents Hbbac: Aircraft collisions Hbbacm: Midair collisions Hbbacn: Near midair collisions Hbbar: Runway incursions Hbbat: Runway overruns Hbbg: Ground transportation accidents Hbbgb: Bicycle accidents Hbbgc: Bus accidents Hbbgk: Moped accidents Hbbgm: Motorcycle accidents Hbbgp: Pedestrian accidents Hbbgr: Railroad accidents Hbbgrd: Derailments Hbbgt: Traffic accidents Hbbgta: Single vehicle accidents Hbbgtah: Hit and run accidents Hbbgtaj: Ran off road accidents Hbbgtat: Rollover accidents Hbbgtb: Multiple vehicle accidents Hbbgtc: Collisions Hbbgtch: Head on collisions Hbbgtcr: Rear end collisions Hbbgtcs: Side collisions Hbbgtcsa: Right angle collisions Hbbgtcu: Underride override collisions Hbbgtcw: Secondary collisions Hbbgu: Truck accidents Hbbguj: Jackknifing Hbbgw: Transit accidents Hbbm: Maritime accidents Hbbma: Shipwrecks Hbbmc: Ship collisions Hbbmcb: Allisions Hbbmd: Groundings (Maritime accidents) Hbbmt: Capsizing Hbbs: Industrial accidents Hbbw: Falls Hbc: Accident causes Hbch: Human factors in accidents Hbche: Driver errors Hbchee: Speeding Hbcheg: Oversteer Hbcheh: Understeer Hbcheq: Loss of control Hbchew: Wrong way driving Hbchg: Driver experience Hbchp: Accident proneness Hbchr: Accident exposure Hbchs: Sleep deprivation Hbcv: Vehicle factors in accidents Hbcvh: Hydroplaning Hbcvs: Skidding Hbcw: Highway factors in accidents Hbk: Accident characteristics Hbkd: Accident severity Hbkg: Accident locations Hbkga: Accident prone locations Hbkgar: Roadside hazards Hbkt: Time of accidents Hbktd: Daytime accidents Hbktn: Nighttime accidents Hbp: Crash phases Hbpb: Precrash phase Hbpk: Crash phase Hbpkc: Occupant vehicle interface Hbpkcd: Occupant dynamics Hbpkcde: Ejection Hbpkcn: Occupant kinetics Hbpkt: Vehicle trajectories Hbpp: Postcrash phase Hbppd: Debris removal Hbpps: Survival Hbppst: Accident survival time Hbw: Accident analysis Hbx: Accident investigation Hbxb: On the scene accident investigation Hbxbb: Accident investigation sites Hbxbbs: Skidmarks Hbxf: Follow up investigation Hbxr: Accident reconstruction Hbxrd: Accident diagrams Hbxrdc: Collision diagrams Hbxx: Accident data Hbxxk: Trilevel accident investigation Hbxxr: Accident records Hbxxrr: Accident reports Hbxxs: Accident rates Hbxxsv: Accident risk forecasting Hh: Hazards and emergency operations Hhd: Hazards Hhda: Hazard analysis Hhde: Hazard evaluation Hhdg: Hazard mitigation Hhdh: Health hazards Hhdm: Hazard markings Hhg: Disasters and emergency operations Hhgd: Disasters Hhgdb: Disaster preparedness Hhgdr: Disaster relief Hhge: Emergencies Hhgec: Emergency communication systems Hhgem: Emergency management Hhgm: Lifelines Hhgr: Search and rescue operations Hhgrm: Lifesaving Hhgrp: Vehicle occupant rescue Hhgrt: Emergency response time Hhgv: Evacuation Hhr: Radiation hazards Hhrd: Radiation doses Hhrm: Radiation monitoring Hhrs: Radiation shielding Hhu: Fires Hhua: Fire causes Hhud: Fire detection systems Hhuf: Fire fighting Hhup: Fire prevention Hhuy: Fires by type Hhuyf: Forest fires Hhuyv: Vehicle fires Hhw: Warning systems Hj: Injuries Hjb: Injury classification Hjc: Injury causes Hjcc: Crash injuries Hjh: Injury characteristics Hjhc: Casualties Hjhm: Multiple injuries Hjhr: Injury rates Hjhs: Injury severity Hjhx: Fatalities Hjhxr: Road kill Hjp: Injury types Hjpb: Skin injuries Hjpbb: Abrasions Hjpbc: Contusions Hjpbf: Laceration Hjpbr: Avulsions Hjpc: Amputations Hjpd: Fractures (Anatomy) Hjpds: Skull fractures Hjpe: Dislocations Hjpew: Whiplash Hjpf: Burns (Injuries) Hjpg: Crushing injuries Hjpm: Open wounds Hjpp: Penetrating injuries Hjpv: Internal injuries Hjpw: Bleeding Hjpy: Pathological processes Hjpya: Asphyxia Hjpyah: Drowning Hjpyh: Hypothermia Hjr: Crash injury research Hjrc: Impact tests Hjrcs: Sled tests Hjrs: Crash victim simulation Hjrsb: Dummies Hm: Pathology Hmd: Diseases and medical conditions Hmdb: Cardiovascular diseases Hmdbc: Apnea Hmdbh: Cardiac disorder Hmdbs: Shock (Pathology) Hmdbv: Hypertension Hmdc: Occupational diseases Hmdd: Communicable diseases Hmde: Ear diseases Hmdem: Motion sickness Hmdf: Cancer Hmdg: Glandular diseases Hmdgd: Diabetes Hmdgo: Obesity Hmdh: Hypoxia Hmdn: Nervous system diseases Hmdne: Epilepsy Hmdnn: Narcolepsy Hmdq: Drug use Hmdqb: Drug abuse Hmdqc: Drug addiction Hmdqe: Drug effects Hmdqs: Smoking Hmdqx: Drugs Hmdqxa: Types of drugs Hmdqxd: Narcotics Hmdqxdb: Barbiturates Hmdqxdh: Heroin Hmdqxh: Hallucinogenic drugs Hmdqxm: Marijuana Hmdqxs: Stimulants Hmdqxsc: Caffeine Hmdqxsh: Amphetamines Hmdqxsk: Cocaine Hmds: Alcohol use Hmdsa: Legal drinking age Hmdsb: Alcohol abuse Hmdsd: Alcoholism Hmdse: Alcohol effects Hmdsed: Intoxication Hmdsedd: Drunk driving Hmdseddy: Zero tolerance Hmdseh: Hangover Hmdsu: Alcoholic beverages Hmdsx: Drinking establishments Hme: Poisoning Hmec: Catalyst poisoning Hmx: Pathological data Hmxp: Epidemiology Hmxt: Etiology Hp: Medical services Hpa: Health care Hpe: Emergency medical services Hpea: First aid Hper: Resuscitation Hpg: Medical treatment Hpgf: Anesthesia Hpgh: Life support systems Hpgk: Surgery Hpgm: Medication Hpgmd: Dosage Hpgmh: Antihistamines Hpgmp: Psychotropic agents Hpgms: Sedatives Hpgmt: Tranquilizers Hpgmu: Antidepressants Hpgmx: Placebos Hpgt: Therapy Hpgtb: Behavior modification Hpgtp: Psychotherapy Hpgv: Outcome (Medical treatment) Hpm: Medical examinations and tests Hpmb: Blood analysis Hpmba: Blood alcohol levels Hpmbc: Blood carbon monoxide levels Hpmc: Cadavers Hpme: Electroencephalography Hpmk: Electrocardiography Hpmp: Urinalysis Hpmpa: Urine alcohol levels Hpmt: Drug tests Hpmw: Alcohol tests Hpmwb: Alcohol blood tests Hpmwd: Alcohol breath tests Hpmwdr: Random breath tests Hpmwg: Alcohol chemical tests Hpmx: Autopsies Hpmy: Disability evaluation Hpx: Medical records Hpxc: Medical case reports Hr: Law enforcement Hra: Automated enforcement Hrb: Police powers Hrbc: Custody Hrbe: Entrapment Hrbs: Search and seizure Hrk: Police operations Hrkb: Warnings (Police operations) Hrkf: Warrants (Police operations) Hrkg: Interrogation Hrkj: Police pursuit driving Hrkk: Arrests Hrkp: Police patrol Hrkr: Roadblocks Hrkt: Police traffic services Hrktb: Traffic patrol Hrktc: Sobriety checkpoints Hrkte: Traffic law enforcement Hrktec: Traffic citations Hrktek: Traffic arrests Hrkteq: Traffic conviction Hrktg: Police traffic direction Hrktm: Police motorist contacts Hrktt: Traffic ticket systems Hrkttd: Point demerit systems Hrp: Prosecution Hrx: Police reports Hs: Security Hsa: Prevention Hsb: Protection Hsc: Security checkpoints Hsf: Freight security Hsp: Passenger security Hsu: False alarms (Security) Hsw: National security Hswd: National defense Hswe: Defense Hswec: Civil defense Hu: Crimes Hub: Violent crimes Hubh: Homicide Hubha: Vehicular homicide Hubs: Suicide Hubsa: Vehicular suicide Hud: Property crimes Hudb: Theft Huds: Sabotage Hudv: Vandalism Hudvg: Graffiti Huf: Fraud Huh: Terrorism Huhc: Bombings Hus: Smuggling Husd: Drug smuggling Hut: Crimes involving transportation Huta: Vehicle theft Hute: Crimes aboard public vehicles Huted: Crimes aboard aircraft Hutef: Crimes aboard buses Huth: Hijacking Huthc: Carjacking Huthf: Skyjacking Hutp: Piracy Huts: Smuggling Huv: Traffic violations Huvm: Moving violations Huvmd: Driving without a license Huvmr: Red light running Huvp: Parking violations Huw: Threats Hux: Negligence Hv: Criminal histories Hvr: Recidivism Hw: Loss and damage Hwb: Losses J: Environment Jb: Environmental phenomena Jbb: Astronomical phenomena Jbbe: Earth movements (Geophysics) Jbbg: Gravity Jbbs: Surface friction (Geophysics) Jbbt: Tides Jbbtp: Ocean tides Jbbtpc: Tidal currents Jbc: Outer space Jbd: Celestial bodies Jbde: Earth Jbdm: Moon Jbds: Sun Jbg: Geological phenomena Jbge: Geological events Jbgee: Earthquakes Jbgem: Landslides Jbgemc: Debris flows Jbgemcb: Debris avalanches Jbgemcs: Debris slides Jbgemf: Earthflows Jbgemm: Mudflows Jbgemmm: Mudslides Jbgemq: Rockfalls Jbgemr: Rockslides Jbgemt: Rotational landslides Jbgemu: Translational landslides Jbgev: Volcanic eruptions Jbgp: Geological activities and processes Jbgpb: Consolidation Jbgpc: Deposition Jbgpcs: Stratification Jbgpcu: Superposition (Geology) Jbgpd: Dislocation (Geology) Jbgpe: Erosion Jbgpew: Wind erosion Jbgpf: Faulting Jbgph: Frost action Jbgpj: Injection (Geology) Jbgpm: Rebound Jbgpr: Sand blasting Jbgps: Sedimentation Jbgpt: Seismicity Jbgpu: Subsidence (Geology) Jbgpw: Ground settlement Jbgpx: Slope stability Jbgpxf: Slope failure Jbgpy: Submergence (Geology) Jbgy: Geologically affected surfaces Jbgyf: Faults Jbgyg: Grabens Jbgyi: Karst Jbgyk: Potholes (Geology) Jbgyp: Rupture surfaces Jbgyr: Shear zones Jbgyrr: Ring stress Jbgyt: Sinkholes Jbgyv: Slip surfaces Jbgyx: Troughs (Geology) Jbh: Hydrologic phenomena Jbha: Aggressive waters Jbhb: Degradation (Hydrology) Jbhc: Desiccation Jbhd: Drainage Jbhdb: Subsurface drainage Jbhdr: Surface drainage Jbhf: Floods Jbhfd: Design flood Jbhh: Hydrologic cycle Jbhi: Streamflow Jbhl: River currents Jbhm: Ocean currents Jbhms: Sinking (Oceanography) Jbhn: Peak discharge Jbhnr: Rational formula (Hydraulics) Jbho: Ponding Jbhp: Runoff Jbhr: Sediment discharge Jbhs: Seepage Jbht: Storm surges Jbhu: Upwelling Jbhv: Water table Jbhvd: Drawdown (Hydraulics) Jbhvr: Groundwater recharge Jbhw: Water waves Jbhwf: Following seas Jbhwp: Ocean waves Jbhwps: Surf Jbhwpu: Tidal waves Jbhwpx: Tsunamis Jbhww: Wind waves Jbhwy: Properties of water waves Jbhwys: Wave height Jbhx: Sea level Jbhy: Phenomena of frozen water Jbhyb: Avalanches Jbhyf: Frost Jbhyj: Ice phenomena Jbhyjj: Ice formations Jbhyjjd: Drift ice Jbhyjjf: Ice floes Jbhyjjj: Ice islands Jbhyjjm: Icebergs Jbhyjjp: Glaciers Jbhyjjs: Icing Jbhyjjsb: Black ice Jbhyjjsj: Icy roads Jbhyjp: Ice by location Jbhyjpm: Lake ice Jbhyjpr: River ice Jbhyjps: Sea ice Jbhyjpsp: Pack ice Jbhyjs: Ice concentration Jbhys: Snow phenomena Jbhysc: Snow cover Jbhysd: Snowdrifts Jbhysm: Snowmelt Jbm: Meteorological phenomena Jbmb: Atmosphere Jbmba: Atmospheric layers Jbmbac: Troposphere Jbmbag: Stratosphere Jbmbam: Mesosphere Jbmbaq: Ionosphere Jbmbav: Exosphere Jbmbay: Special subdivisions of the atmosphere Jbmbayb: Airspace (Aeronautics) Jbmbaym: Airspace (Law) Jbmbb: Properties of the atmosphere Jbmbbp: Atmospheric pressure Jbmbbpf: Pressure fields Jbmbbpw: Pressure waves Jbmbbt: Atmospheric temperature Jbmbbx: Humidity Jbmbk: Atmospheric phenomena Jbmbkd: Atmospheric circulation Jbmbkg: Atmospheric diffusion Jbmbkj: Atmospheric turbulence Jbmbkjc: Clear air turbulence Jbmbkk: Haze Jbmbkl: Lightning Jbmbkm: Water in the atmosphere Jbmbkmb: Atmospheric water vapor Jbmbkmbc: Clouds Jbmbkmbf: Fog Jbmbkmbfj: Ice fog Jbmbkmp: Precipitation (Meteorology) Jbmbkmpr: Rain Jbmbkmprr: Rainfall Jbmbkmps: Snow Jbmbkmpss: Snowfall Jbmbkp: Atmospheric pressure phenomena Jbmbkpc: Cyclones Jbmbkpch: Hurricanes Jbmbkpct: Typhoons Jbmbkpf: Fronts (Meteorology) Jbmbkps: Storms Jbmbkpsd: Design storm Jbmbkpsj: Ice storms Jbmbkpsq: Snowstorms Jbmbkpst: Thunderstorms Jbmbks: Heat storage Jbmbkw: Wind Jbmbkwb: Air currents Jbmbkwbd: Downdrafts Jbmbkwbdm: Microbursts Jbmbkwc: Crosswinds Jbmbkwg: Gusts Jbmbkwj: Jet stream Jbmbkwt: Tornadoes Jbmbkww: Wind shear Jbmbkwwv: Vertical wind shear Jbmby: Model atmosphere Jbmw: Weather and climate Jbmwb: Weather Jbmwbb: Weather conditions Jbmwbbc: Cold weather Jbmwbbd: Dry weather Jbmwbbh: Hot weather Jbmwbbw: Wet weather Jbmwbby: Thaw Jbmwbf: Weather forecasting Jbmwn: Climate Jbmwnc: Climate change Jbmwnd: Drought Jbmwnw: Global warming Jby: Deterioration by environmental action Jbyb: Biodeterioration Jbyd: Fouling (Naval architecture) Jbye: Flood damage Jbyf: Frost damage Jbyfh: Frost heaving Jbym: Moisture damage Jbyn: Scour Jbyp: Settlement (Structures) Jbypd: Differential settlement Jbyq: Silting Jbyt: Thermal degradation Jbyy: Weathering Jbyyc: Accelerated weathering Jc: Living things Jca: Cells (Biology) Jcan: Nucleus (Biology) Jcb: Classes of living things Jcbp: Plants Jcbpc: Algae Jcbpg: Bacteria Jcbpk: Fungi Jcbpp: Grasses Jcbpq: Ground cover Jcbps: Shrubs Jcbpv: Trees Jcbpy: Parts of plants Jcbpyr: Roots Jcbpys: Seeds Jcbt: Animals Jcbtj: Invertebrates Jcbtjc: Crustacea Jcbtjcb: Barnacles Jcbtjcs: Shrimp Jcbtjj: Insects Jcbtjjm: Larvae Jcbtjjt: Termites Jcbtjm: Mollusca Jcbtv: Vertebrates Jcbtvb: Fishes Jcbtvbt: Salmon Jcbtvd: Amphibians Jcbtvdf: Frogs (Amphibians) Jcbtvf: Birds Jcbtvu: Mammals Jcbtvuc: Carnivores Jcbtvucb: Cats Jcbtvucd: Dogs Jcbtvup: Primates Jcbtvupb: Baboons Jcbtvuph: Human beings Jcbtvupm: Monkeys Jcbtvur: Rodents Jcbtvurr: Rabbits Jcbtvurs: Rats Jcbtvuu: Ungulates Jcbtvuud: Deer Jcbtvuuh: Horses Jcm: Living things by characteristics Jcmb: Living things by region Jcmbb: Aquatic life Jcmbbb: Benthos Jcmbbp: Plankton Jcmbbpp: Phytoplankton Jcmbbpy: Zooplankton Jcmbbs: Shellfish Jcmbbsc: Crabs Jcmbd: Biomass Jcmbdv: Vegetation Jcmbdvn: Native plants Jcmbr: Roadside flora and fauna Jcmbrf: Roadside fauna Jcmbrm: Roadside flora Jcmf: Laboratory animals Jcmk: Undomesticated living things Jcmkf: Wildflowers Jcmkm: Wildlife Jcmp: Living things detrimental to human activity Jcmpb: Bird pests Jcmpf: Fouling organisms Jcmpm: Marine borers Jcmpu: Invasive plants Jcmpw: Weeds Jcmx: Microorganisms Jd: Biological activity Jdb: Aging (Biology) Jde: Evolution Jdg: Food chain Jdr: Reproduction (Biology) Jdrf: Fetus Jdt: Animal behavior Jdtf: Animal migrations Jdtp: Bird strikes Jdx: Plant activity Jdxe: Evapotranspiration Jdxp: Plant growth Jdxpp: Primary production Je: Ecosystems Jeb: Biodiversity Jee: Endangered species Jeh: Habitat (Ecology) Jeq: Stream restoration Jes: Synergism (Ecology) Jf: Environmental quality Jfa: Quality of specific environments Jfab: Air quality Jfaw: Water quality Jfb: Environmental policy Jfbc: Coastal zone management Jfbs: Environmental streamlining Jfc: Environmental protection Jfd: Environmental risk assessment Jfe: Environmental impacts Jfee: Environmental impact analysis Jff: Environmental monitoring Jfg: Pollution Jfgb: Pollution of specific environments Jfgbb: Air pollution Jfgbbg: Greenhouse effect Jfgbbs: Smog Jfgbbu: Air pollution sources Jfgbbum: Mobile sources Jfgbbus: Stationary sources Jfgbs: Soil pollution Jfgbw: Water pollution Jfgbwt: Thermal pollution Jfgbww: Wastewater Jfgs: Pollutants Jfgsb: Acid rain Jfgsc: Contaminants Jfgse: Evaporative emissions Jfgsf: Fumes Jfgsg: Polluting gases Jfgsge: Exhaust gases Jfgsgea: Aircraft exhaust gases Jfgsged: Diesel engine exhaust gases Jfgsgf: Flue gases Jfgsgg: Greenhouse gases Jfgsgs: Stack gases Jfgsp: Odors Jfgsr: Tobacco smoke Jfgss: Spills (Pollution) Jfgssc: Chemical spills Jfgssp: Oil spills Jfgt: Intentional polluting actions Jfgtm: Misfueling Jfgtt: Tampering Jfgy: Pollution control Jfgyb: Air quality management Jfgybe: Emissions trading Jfgybf: Fuel substitution Jfgybn: Nonattainment areas Jfgys: Soil remediation Jfgyu: Bioremediation Jfgyw: Water quality management Jfgywp: Oil spill cleanup Jfgyws: Sewerage Jfgywsc: Sewage collection Jfgywsm: Sewage treatment Jfgywsmb: Biochemical oxygen demand Jfgywsx: Sewage disposal Jfk: Wastes Jfkb: Types of wastes Jfkbb: Agricultural wastes Jfkbe: Effluents Jfkbh: Hazardous wastes Jfkbj: Industrial wastes Jfkbm: Litter Jfkbn: Radioactive wastes Jfkbnp: Plumes Jfkbp: Refuse Jfkbr: Solid wastes Jfkbt: Spoil Jfky: Waste management Jfkyd: Waste disposal Jfkydr: Radioactive waste disposal Jfkyds: Solid waste disposal Jfkym: Waste minimization Jfkyr: Recycling Jfkys: Salvage Jfkysm: Marine salvage Jfn: Noise Jfnb: Noise sources Jfnbb: Aircraft noise Jfnbbb: Airport noise Jfnbc: Ambient noise Jfnbd: Cavitation noise Jfnbt: Traffic noise Jfnbtt: Tire/pavement noise Jfny: Noise control Jn: Natural resources Jna: Specific natural resources Jnae: Energy resources Jnaeg: Geothermal resources Jnaer: Renewable energy sources Jnam: Mineral resources Jnamc: Coal resources Jnaw: Water resources Jng: Conservation Jnge: Energy conservation Jngef: Fuel conservation Jngs: Soil conservation Jngse: Erosion control Jngw: Water conservation Jngx: Wetland conservation Jnr: Resource development and utilization Jnrr: Resource development Jnrrb: Resource extraction Jnrrbe: Exploration Jnrrbeg: Geophysical prospecting Jnrrbegr: Resistivity method Jnrrbegs: Seismic prospecting Jnrrbep: Oil exploration Jnrrbk: Logging Jnrrbks: Strip method Jnrrbm: Mining Jnrrbmc: Coal mining Jnrrbmr: Materials recovery (Mining) Jnrrbms: Strip mining Jnrrbmv: Mine haulage Jnrrbp: Oil well drilling Jnrrbph: Hydraulic fracturing Jnrrbt: Quarrying Jnrrf: Fuel processing Jnrrfc: Coal processing Jnrrfcg: Coal gasification Jnrrfch: Coal hydrogenation Jnrrfcm: Coal liquefaction Jnrrfcp: Coking Jnrrfh: Hydrogen production Jnrrfp: Petroleum refining Jnrrfv: Fuel storage Jnrrfvh: Hydrogen storage Jnrrh: Beneficiation Jnrrk: Land reclamation Jnrrkr: Revegetation Jnrrkt: Reforestation Jnrrm: Natural gas distribution systems Jnrrp: Electric power generation and transmission Jnrrpe: Electric power supply Jnrrpp: Electric power generation Jnrrpph: Hydroelectric power generation Jnrrppn: Nuclear power generation Jnrrppnn: Reactor fuel cycle Jnrrpps: Solar power generation Jnrrppt: Thermal power generation Jnrrppu: Waste heat utilization Jnrrppw: Wind power generation Jnrrpt: Electric power transmission Jnrrpte: Electric power conditioning Jnrrptj: Interconnection (Electric power) Jnrrpv: Energy storage systems Jnrrw: Water resources development Jnrrwd: Desalination Jnrrwp: Ocean development Jnru: Resource utilization Jnrue: Energy consumption Jnruef: Fuel consumption Jnruw: Water consumption K: Economic and social factors Ka: Economic factors Kab: Factors of production Kabe: Land Kabeu: Land use Kabeum: Land use models Kabev: Land values Kabex: Greenways Kabey: Zoning Kabeyo: Open space control Kabk: Labor Kabkb: Labor force Kabkm: Labor market Kabkn: Jobs Kabknj: Job opportunities Kabknp: Occupations Kabknt: Transportation careers Kabkp: Employment Kabkpp: Professional employment Kabkpu: Unemployment Kabkr: Labor relations Kabkrn: Labor negotiations Kabkrnp: Collective bargaining Kabkrns: Strikes Kabkrnsa: Arbitration Kabkrnsm: Mediation Kabkrp: Labor agreements Kabq: Capital Kabqi: Infrastructure Kabqip: Property Kabqipe: Real property Kabqipj: Indian reservations Kabqipr: Private property Kabqipu: Public land Kabqipw: Public works Kabqm: Money Kabqmc: Currency Kabqmcd: Devaluation (Currency) Kad: Economic conditions Kadb: Consumer behavior Kadbp: Consumer preferences Kadbpr: Revealed preferences Kadbpu: Stated preferences Kadbs: Customer satisfaction Kadm: Markets Kadmd: Supply Kadme: Demand Kadmq: Equilibrium (Economics) Kadmx: Prices Kadmy: Rationing Kadr: Consumption Kadrr: Consumption rates Kadt: Savings Kadu: Shortages Kady: Business cycles Kadyi: Inflation Kadyr: Recession Kadyt: Depression (Business cycle) Kai: Economic indicators Kaib: Gross domestic product Kaig: Gross national product Kaip: Balance of payments Kait: Foreign exchange Kaix: Index numbers Kc: Economic analysis Kcb: Economic development Kcd: Economic efficiency Kcf: Economic forecasting Kcg: Economic growth Kcm: Economies of scale Kcs: Consumers surplus Kct: Producers surplus Kcu: Elasticity (Economics) Kd: Economic models Kdi: Input output models Kdu: Utility theory Kdx: Location theory Kf: Economic policy Kh: Social factors Kha: Social change Khb: Population Khbd: Population density Khbf: Population forecasting Khbg: Population growth Khbm: Population movements Khbmm: Mobility Khbmn: Migration Khbu: Urban population Khby: Census Khd: Life expectancy Khe: Life span Khj: Living conditions Khjm: Standard of living Khjp: Life styles Khjq: Quality of life Khjs: Value of life Khju: Value of time Khm: Institutional issues Khq: Demographics Khr: Culture (Social sciences) Khrr: Cultural resources Khrv: Social values Khs: Social class Kht: Special events Khte: Exhibitions Khtp: Olympic games Kj: Socioeconomic factors Kjf: Housing Kk: Impacts Kke: Economic impacts Kkf: Social impacts Kkt: Benefits Kkte: Economic benefits Kktf: Social benefits Kktfb: Affirmative action Kktn: Nonuser benefits Kktnc: Value capture Kktu: User benefits Kku: Externalities Ku: Social service Kw: Public participation Kwc: Community action programs Kwh: Adopt-a-highway programs Kwp: Public opinion Kx: Socioeconomic development Kxq: Regional development Kxqa: Regional analysis Kxr: Rural development Kxu: Urban development Kxug: Urban growth Kxus: Urban sprawl Kxuv: Urbanization M: Persons and personal characteristics Mb: Age groups Mbb: Infants Mbc: Children Mbcc: Preschool children Mbe: School children Mbf: Adolescents Mbp: Adults Mbpc: Young adults Mbpe: Aged Md: Gender Mdf: Females Mdfp: Pregnant women Mdm: Males Me: Persons by educational level Mes: Students Mesa: Elementary school students Mesb: High school students Mesc: College students Mesg: Graduate students Mesx: School dropouts Met: Graduates Meta: High school graduates Metb: College graduates Mew: Illiterates Mf: Families Mfm: Marital status Mfp: Parents Mg: Households Mh: Persons by race and ethnicity Mha: Ethnic groups Mhb: Race Mhc: Blacks Mhcb: African Americans Mhd: Asians Mhe: Whites Mhf: Inuit Mhh: Hispanics Mhm: Native Americans Mhv: Indigenous peoples Mhx: Minorities Mj: Persons by language backgrounds Mk: Persons by socioeconomic levels Mkb: Upper income groups Mkc: Middle income groups Mkd: Low income groups Mkdw: Welfare recipients Mke: Persons by employment status Mkee: Employed Mkeu: Unemployed Mkew: Working class Mkh: Persons by housing characteristics Mkhb: Landowners Mkhd: Tenants Mkhe: Transients Mkhf: Squatters Mkhh: Homeless persons Mkhk: Landlords Mkhr: Residents Ml: Crowds Mm: Physically handicapped persons Mmb: Visually impaired persons Mmbd: Blind persons Mmbk: Color blind persons Mmd: Hearing impaired persons Mmda: Deaf persons Mmg: Amputees Mmk: Diabetics Mp: Mentally handicapped persons Mpr: Mentally retarded persons Ms: Personnel Msa: Administrative and managerial personnel Msaa: Administrative personnel Msab: Managerial personnel Msabt: Traffic managers Msae: Executives Msaf: Entrepreneurs Msas: Supervisors Msau: Employers Msb: Employees Msbb: Part time employees Msbg: Government employees Msbk: Laborers Msbp: Operators (Persons) Msc: Cargo handling personnel Mscb: Longshoremen Mscj: Lumpers Msd: Communications and control personnel Msdc: Air traffic controllers Msdd: Dispatchers Msdr: Radar operators Mse: Construction and maintenance personnel Msec: Ground crews Msei: Inspectors Msek: Maintenance personnel Msekr: Road crews Msekra: Road construction workers Msekrf: Flaggers Msem: Mechanics (Persons) Mses: Shipyard personnel Msew: Divers Msf: Education and training personnel Msfb: Teachers Msfd: Instructors Msfdd: Driving instructors Msfe: Driver examiners Msg: Engineering personnel Msgb: Engineers Msgbb: Civil engineers Msgbbe: Transportation engineers Msgbbh: Highway engineers Msgbbr: Railroad engineers Msgbbt: Traffic engineers Msgbm: Mechanical engineers Msgbma: Automobile engineers Msk: Firefighters Msm: Medical personnel Msmd: Physicians Msmp: Allied health personnel Msmpa: Ambulance personnel Msmpm: Medical technicians Msmpme: Emergency medical technicians Msmpp: Paramedics Msmw: Patients Msn: Military personnel Msnf: Air Force personnel Msng: Army personnel Msnn: Navy personnel Msp: Professional personnel Msq: Novices Mss: Scientific personnel Mssr: Researchers Msss: Scientists Msst: Technicians Mst: Specialists Msv: Volunteers Msw: Offenders and victims Mswa: Offenders Mswab: Repeat offenders Mswac: Recidivists Mswr: Trespassers Mswt: Traffic violators Mswv: Victims Mswva: Accident victims Mswvab: Aircraft accident victims Mswvat: Traffic accident victims Mswvc: Crime victims Msx: Law enforcement and criminal justice personnel Msxj: Judges Msxt: Attorneys Msxu: Law enforcement personnel Msxum: Police Msxus: Sky marshals Msxv: Interrogators Msxw: Witnesses Msy: Groups Msya: Advisory groups Msyb: Advocacy groups Msyf: Focus groups Msyj: Interest groups Msyk: Committees Msyl: Teams Msyld: Design teams Msylm: Multidisciplinary teams Msym: Market segmented groups Msymc: Consumers Msymd: Customers Msymj: Clients Msyms: Shoppers Msyp: Peer groups Msys: Special user groups Msyt: Coalitions Msyv: Stakeholders Msyx: Group dynamics Mt: Vehicle personnel Mtb: Flight personnel Mtbb: Air pilots Mtbbd: Airline pilots Mtbbg: General aviation pilots Mtbbgb: Business aviation pilots Mtbbgh: Helicopter pilots Mtbd: Air navigators Mtbf: Flight crews Mtbg: Flight attendants Mtg: Ground vehicle operators Mtgh: Highway vehicle operators Mtghd: Drivers Mtghdb: Automobile drivers Mtghdc: Commercial drivers Mtghdcb: Bus drivers Mtghdcbe: Extraboards Mtghdcbs: School bus drivers Mtghdcc: Chauffeurs Mtghdcp: Professional drivers Mtghdcr: Taxicab drivers Mtghdct: Truck drivers Mtghdcu: Test drivers Mtghdd: Ambulance drivers Mtghdf: Driver categories Mtghdfa: Recently qualified drivers Mtghdfb: Low risk drivers Mtghdfba: Defensive drivers Mtghdfc: High risk drivers Mtghdfca: Accident prone drivers Mtghdfcp: Problem drivers Mtghdfcs: Reckless drivers Mtghdfct: Impaired drivers Mtghdfctd: Drunk drivers Mtghdfctr: Drugged drivers Mtghdfcu: Aged drivers Mtghdfcw: Teenage drivers Mtghdfcx: Handicapped drivers Mtghdfcy: Designated drivers Mtghdr: Driver records Mtghm: Motorcyclists Mtghs: Moped drivers Mtghv: Cyclists Mtgr: Train crews Mtgra: Locomotive engineers Mtgrb: Brakemen Mtgrf: Firemen (Locomotives) Mtgrh: Conductors (Trains) Mtgrt: Trainmen Mtj: Shipboard personnel Mtjc: Ship crews Mtjd: Ship officers Mtjg: Ship pilots Mtjh: Ship navigators Mtjm: Marine engineers Mtjs: Merchant seamen Mtu: Transit personnel Mtua: Transit operators Mw: Travelers Mwa: Passengers Mwat: Transit riders Mwatc: Captive riders Mwate: Transportation disadvantaged persons Mwau: School bus passengers Mwax: Stowaways Mwc: Commuters Mwg: Vehicle occupants Mwgf: Front seat occupants Mwgr: Rear seat occupants Mwu: Tourists Mwx: Pedestrians Mx: Human characteristics Mxa: Human factors Mxah: Human error Mxb: Physical condition Mxba: Physical fitness Mxbb: Physiological aspects Mxbc: Health Mxbcb: Breath Mxbcc: Blood pressure Mxbcd: Heart rate Mxbcm: Metabolism Mxbd: Bodily fluids Mxbdb: Blood Mxbds: Saliva Mxbdu: Urine Mxbe: Comfort Mxbf: Fatigue (Physiological condition) Mxbfd: Drowsiness Mxbg: Circadian rhythms Mxbgj: Jet lag Mxbh: Anthropometry Mxbhm: Human body mass Mxbhs: Human body size Mxbp: Posture Mxbr: Sleep Mxbrd: Sleep disorders Mxbs: Stress (Physiology) Mxbt: Tolerance (Physiology) Mxbv: Vision Mxbvc: Color vision Mxbvf: Field of vision Mxbvh: Dark adaptation Mxbvn: Night vision Mxbvp: Peripheral vision Mxbvq: Eye location Mxbvr: Eye fixations Mxbvs: Eye movements Mxbvt: Vision tests Mxbw: Speech Mxbwl: Language Mxbwlb: Bilingualism Mxbx: Age Mxc: Physical handicaps Mxcr: Vision disorders Mxcrb: Blindness Mxcrc: Color blindness Mxct: Hearing loss Mxctd: Deafness Mxk: Mental condition Mxkc: Conflict (Psychology) Mxkp: Psychological aspects Mxkpt: Psychological tests Mxks: Stress (Psychology) Mxkt: Tolerance (Psychology) Mxku: Adaptation (Psychology) Mxm: Mental disorders Mxmb: Cognitive impairment Mxmbb: Attention deficit hyperactivity disorder Mxmbd: Dementia Mxmbdb: Alzheimer's disease Mxmc: Depression (Mental condition) Mxmd: Dissociation Mxmu: Mental illness Mxmw: Posttraumatic stress disorder Mxn: Mental retardation Mxp: Personality Mxpb: Behavior Mxpbr: Risk taking Mxpd: Attitudes Mxpda: Acceptance Mxpdd: Adjustment (Psychology) Mxpdt: Trust (Psychology) Mxq: Emotions Mxqa: Aggression Mxqar: Road rage Mxqb: Annoyance Mxqc: Anger Mxqd: Distress Mxqf: Fear Mxqff: Fear of flying Mxqx: Anxiety Mxr: Abilities Mxra: Ability tests Mxrb: Aptitude Mxrbt: Aptitude tests Mxrc: Alertness Mxrcg: Attention Mxrcm: Attention lapses Mxrcv: Vigilance Mxrd: Cognition Mxrdb: Awareness Mxrdc: Comprehension Mxrdh: Human information processing Mxrdk: Knowledge Mxrdu: Understanding Mxrdul: Reading Mxrdulm: Map reading Mxrg: Learning Mxri: Intelligence Mxria: Intelligence quotient Mxrj: Judgment (Human characteristics) Mxrm: Motor skills Mxrr: Motor reactions Mxrra: Reaction time Mxrs: Memory Mxrsd: Memory devices Mxs: Motivation Mxt: Perception Mxta: Auditory perception Mxtb: Olfactory perception Mxtd: Depth perception Mxtm: Motion perception Mxts: Distance perception Mxtu: Velocity perception Mxtv: Visual perception Mxtw: Wayfinding Mxtx: Tactile perception Mxw: Distraction Mxy: Human subject testing Mxyc: Controlled trials My: Anatomy Myb: Skin and hair system Mybd: Skin Myc: Nervous system Myce: Brain Mycn: Nerves Mycs: Spinal cord Myd: Head Myda: Head motion range Mydb: Face Mydbe: Eye Mydbh: Ear Mydbn: Nose Mydd: Skull Mye: Neck Myea: Neck motion range Myf: Shoulder Myh: Thorax Myhh: Heart Myhm: Lungs Myhr: Ribs Myi: Back Myj: Spinal column Myjg: Vertebrae Myk: Abdomen Mykb: Stomach Mykm: Liver Mykv: Viscera Myn: Pelvis Myp: Extremities Mypb: Upper extremities Mypbh: Arm Mypbha: Hand Mypd: Lower extremities Mypde: Hip Mypdg: Leg Mypdgf: Femur Mypdgk: Knee Mypdgq: Ankle Mypdgr: Foot Mypdgrt: Toes Mys: Skeletal system Mysb: Bones Mysj: Joints (Anatomy) Myt: Muscular system Mytm: Muscles Mytt: Tendons Myty: Muscular forces Myu: Musculoskeletal system Myv: Cardiovascular system Myva: Arteries Myvg: Veins Myvk: Capillaries Myvr: Respiratory system Myx: Anatomical models N: Organizations Nb: Businesses Nbb: Carriers Nbba: Carriers by type of service Nbbaf: For hire carriers Nbbafc: Common carriers Nbbafd: Contract carriers Nbbafe: Exempt carriers Nbbah: Full service carriers Nbbam: Low cost carriers Nbbap: Private carriers Nbbc: Carriers by mode Nbbcb: Airlines Nbbcbb: Local service airlines Nbbcbc: Commuter airlines Nbbcbd: Regional airlines Nbbcbf: Supplemental airlines Nbbcbh: Helicopter lines Nbbcd: Motor carriers Nbbcdb: Bus lines Nbbcdbj: Intercity bus lines Nbbcdt: Truck lines Nbbcdtm: Moving industry Nbbcdtp: Owner operators Nbbcg: Railroads Nbbcga: Short line railroads Nbbcgf: Regional railroads Nbbcgp: Cable railroads Nbbcgq: Electric railroads Nbbcgr: Street railroads Nbbcgt: Switching and terminal companies Nbbcgv: Industrial railroads Nbbcgy: Private car lines Nbbck: Pipeline companies Nbbcm: Ship lines Nbbcma: Cruise lines Nbbcmb: Barge lines Nbbct: Taxicab companies Nbbcu: Transit operating agencies Nbc: Freight transportation support businesses Nbcc: Freight forwarders Nbcca: Air freight forwarders Nbccd: Ocean freight forwarders Nbcd: Freight consolidators Nbce: Freight brokers Nbcs: Ship agencies Nbct: Ship brokers Nbd: Passenger transportation support businesses Nbdd: Travel agents Nbde: Tour operators Nbe: Distribution support businesses Nbef: Freight service bureaus Nbet: Third party logistics providers Nbew: Warehousing and storage businesses Nbf: Package and mail businesses Nbh: Motor vehicle dealers Nbhd: Automobile dealers Nbht: Truck dealers Nbk: Equipment leasing and rental businesses Nbm: Repair and maintenance businesses Nbmv: Automobile repair shops Nbq: Parking industry Nbr: Financial, insurance and real estate businesses Nbrb: Banking industry Nbrh: Insurance industry Nbrp: Real estate industry Nbs: Suppliers Nbt: Lodging businesses Nbu: Public utilities Nbue: Electric utilities Nbug: Gas utilities Nbuw: Water utilities Nbv: Computer online services Nbvj: Internet service providers Nby: General service businesses Nbya: Contractors Nbyaa: Subcontractors Nbyd: Consultants Nbyf: Developers Nbyg: Designers Nbyk: Engineering services Nc: Industries Nce: Transportation equipment industry Ncec: Container equipment industry Ncef: Aerospace industry Ncefa: Aircraft industry Ncefau: Used aircraft industry Nceg: Aviation Ncegc: Civil aviation Ncegg: General aviation Ncegga: Agricultural aviation Nceggb: Business aviation Ncegm: Military aviation Ncegmd: Air drop Ncegmf: Military airlift Nceh: Road construction industry Ncem: Motor vehicle industry Ncema: Automobile industry Ncemb: Automobile parts industry Ncembt: Tire industry Ncemu: Used vehicle industry Ncer: Railroad equipment industry Ncerc: Carbuilders Ncerd: Locomotive builders Nces: Maritime industry Ncesm: Military sealift Ncg: Nontransportation industries Ncgc: Chemical industry Ncgd: High technology industries Ncge: Electronics industry Ncgf: Food industry Ncgg: Glass industry Ncgh: Machinery manufacturing industry Ncgi: Metal industry Ncgii: Iron and steel industry Ncgj: Textile industry Ncgk: Construction industry Ncgkc: Cement industry Ncgkf: Concrete industry Ncgm: Mining and extractive industries Ncgmc: Coal industry Ncgmg: Gas industry Ncgmp: Petroleum industry Ncgr: Agricultural industry Ncgrf: Farming Ncgrff: Farms Ncgs: Fisheries Ncgsf: Fishing Ncgt: Forest products industry Ncgtg: Lumber industry Ncgtp: Paper industry Nd: Service agencies Nde: Educational services Ndes: Schools Ndeu: Universities and colleges Ndh: Health care services Nds: Social service agencies Ndsd: Day care centers Ng: Governments Ngd: Levels of government Ngdc: Federal government Ngdf: State government Ngdh: Local government Ngdhc: County government Ngdhm: Metropolitan government Ngdhs: City government Ngdr: Regional government Ngdt: Tribal government Ngg: Government agencies Ngga: Federal government agencies Nggb: State government agencies Nggbd: State departments of transportation Nggbh: State highway departments Nggbm: State motor vehicle departments Nggj: Transportation departments Nggk: Local government agencies Nggka: Public works departments Nggkd: Highway departments Nggkf: Fire departments Nggkp: Police departments Nggks: Metropolitan planning organizations Nggkt: Councils of government Nggm: Districts and authorities Nggme: Enterprise districts Nggmg: Port districts Nggmh: Port authorities Nggmt: Transit authorities Nggmtb: Transit boards Ngr: Intergovernmental relations Ngrg: Interstate compacts Ngrh: International compacts Ngt: Interagency relations Ngv: Public service Nm: Military organizations Ns: Membership organizations Nsa: Associations Nsas: Shippers associations Nsasr: Rate bureaus Nsass: Shipping conferences Nse: Societies Nsee: Engineering societies Nsh: Highway safety organizations Nsj: Labor unions Nst: Trade associations Nsw: Transportation management associations Nt: Forms of business or industry Ntc: Corporations Ntca: Nonprofit corporations Ntci: Multinational corporations Nte: Conglomerates Ntg: Cooperatives Nth: Small business Ntj: Monopoly Ntk: Disadvantaged business enterprises Ntm: Minority business enterprises Ntn: Women owned business enterprises Ntp: Private enterprise Ntr: Partnerships Ntrd: Public private partnerships Ntrg: Intergovernmental partnerships Ntrs: Strategic alliances Nv: Globalization Ny: Organized crime P: Facilities Pb: Structures Pbc: Structures by building system Pbca: Cast in place structures Pbcb: Composite structures Pbcc: Concrete structures Pbcd: Continuous structures Pbce: Earthquake resistant structures Pbcf: Elevated structures Pbcg: Flexible structures Pbch: Framed structures Pbci: Gravity structures Pbcj: Hinged structures Pbck: Honeycomb structures Pbckl: Cellular structures Pbcm: Inflatable structures Pbcn: Modular structures Pbcp: Multistory structures Pbcq: Prefabricated structures Pbcr: Rigid structures Pbcs: Steel structures Pbct: Skewed structures Pbcu: Suspended structures Pbcud: Aerial tramways Pbcv: Tubular structures Pbcw: Web stiffened structures Pbcx: Weldments Pbcy: Wood structures Pbcz: Smart structures Pbp: Structural parts Pbpb: Structural members Pbpba: Arches Pbpbb: Ceilings Pbpbc: Chimneys Pbpbd: Conduits Pbpbdc: Ducts Pbpbdcb: Acoustic ducts Pbpbdce: Diffusers Pbpbdo: Open channels Pbpbe: Floors Pbpbf: Foundations Pbpbfb: Abutments Pbpbfd: Anchor walls Pbpbff: Anchorages Pbpbfh: Bedding Pbpbfj: Floating foundations Pbpbfk: Footings Pbpbfkj: Isolated footings Pbpbfkm: Mats (Footings) Pbpbfks: Spread footings Pbpbfku: Strip footings Pbpbfm: Mat foundations Pbpbfp: Mattresses (Foundations) Pbpbfq: Piers (Supports) Pbpbfs: Pile foundations Pbpbfx: Strip foundations Pbpbg: Frames Pbpbgd: Statically determinate frames Pbpbgj: Statically indeterminate frames Pbpbh: Joints (Engineering) Pbpbhb: Backing strips Pbpbhc: Ball and socket joints Pbpbhd: Butt joints Pbpbhe: Construction joints Pbpbhh: Contraction joints Pbpbhk: Expansion joints Pbpbhp: Lap joints Pbpbhs: Longitudinal joints Pbpbht: Sawed joints Pbpbhu: Seams Pbpbhv: Transverse joints Pbpbj: Lattices Pbpbk: Openings Pbpbkb: Building entrances Pbpbkc: Building exits Pbpbkce: Emergency exits Pbpbkd: Doors Pbpbkdc: Casings Pbpbkg: Grilles Pbpbkv: Vents Pbpbkw: Windows (Buildings) Pbpbl: Ramps, corridors and stairs Pbpblc: Corridors Pbpblr: Ramps Pbpbls: Stairs Pbpblsh: Half spaces (Building) Pbpbm: Rooms Pbpbmb: Basements Pbpbmc: Control rooms Pbpbme: Engine rooms Pbpbmh: Hospital emergency rooms Pbpbp: Roofs Pbpbpd: Domes Pbpbt: Shells (Structural forms) Pbpbu: Slabs Pbpbus: Slab on grade Pbpbv: Structural supports Pbpbva: Bents Pbpbvb: Brackets Pbpbvc: Breakaway supports Pbpbvd: Buttresses Pbpbve: Concrete forms Pbpbves: Sliding forms Pbpbvf: Falsework Pbpbvfs: Scaffolds Pbpbvg: Lateral supports Pbpbvh: Horizontal supports Pbpbvhb: Braces Pbpbvhj: Stringers Pbpbvhu: Struts Pbpbvr: Tie rods Pbpbvt: Timbering Pbpbvv: Vertical supports Pbpbvvb: Beams Pbpbvvbb: Box beams Pbpbvvbc: Curved beams Pbpbvvbj: I beams Pbpbvvbm: Leaf springs Pbpbvvbt: T beams Pbpbvvbw: Thrie beams Pbpbvvby: Tiebacks Pbpbvvc: Cantilevers Pbpbvvd: Columns Pbpbvvg: Girders Pbpbvvgb: Box girders Pbpbvvgp: Plate girders Pbpbvvj: Lagging (Earthwork) Pbpbvvm: Piles (Supports) Pbpbvvmb: Anchor piles Pbpbvvmd: Batter piles Pbpbvvmg: Bearing piles Pbpbvvmge: End bearing piles Pbpbvvmgf: Friction piles Pbpbvvms: Sheet piling Pbpbvvmv: Pile groups Pbpbvvmw: Pile caps Pbpbvvp: Poles (Supports) Pbpbvvq: Posts Pbpbvvr: Sign supports Pbpbvvs: Studs Pbpbvvss: Scantlings Pbpbvvt: Trusses Pbpbw: Walls Pbpbwc: Cutoff walls Pbpbwcg: Grout curtains Pbpbwd: Diaphragm walls Pbpbwp: Parapets Pbpbws: Shear walls Pbpbwt: Thin walls Pbpbx: Welds Pbpbxb: Butt welds Pbpbxf: Fillet welds Pbpby: Structural members by elevation Pbpbyb: Substructures Pbpbyp: Superstructures Pbpv: Environmental and sanitary systems in buildings Pbpvb: Air conditioning systems Pbpvc: Cooling systems Pbpvcr: Refrigeration systems Pbpve: Electrical systems Pbpvew: Electrical wiring Pbpvh: Heating systems Pbpvhe: Electric heating Pbpvj: Insulation systems Pbpvm: Lighting systems Pbpvp: Plumbing systems Pbpvpt: Toilet facilities Pbpvv: Ventilation systems Pbpy: Transportation systems in buildings Pbpym: Elevators Pbpys: Escalators Pd: Specialized facilities Pdc: Construction sites Pdcw: Work zones Pdv: Underground structures Pdvp: Underground parking garages Pdvt: Tunnels Pdvtb: Parts of tunnels Pdvtbm: Tunnel lining Pdvtbr: Tunnel shafts Pdvtbrc: Crossheadings Pdvtbs: Tunnel supports Pdvtbss: Shields (Tunnels) Pdvtr: Tunnels by use Pdvtrn: Pedestrian tunnels Pdvtrp: Pressure tunnels Pdvtrr: Railroad tunnels Pdvtrrs: Subways Pdvtrv: Vehicular tunnels Pdvtrvt: Toll tunnels Pdvw: Wells Pdw: Excavations, mines and oil fields Pdwe: Excavations Pdwep: Pits Pdweq: Quarries Pdweqg: Gravel pits Pdwet: Trenches Pdwetb: Trench backfill Pdwetw: Slurry trenches Pdwm: Mines Pdwmc: Coal mines Pdwp: Oil fields Pdwpk: Observation wells Pdwpp: Oil pools Pdwpw: Oil wells Pdx: Embankments and retaining walls Pdxe: Embankments Pdxr: Retaining walls Pdxrc: Crib walls Pdxre: Earth walls Pdxrr: Reinforced concrete retaining walls Pdxrs: Sheet pile walls Pdxt: Components of embankments and retaining walls Pdxte: Embankment foundations Pdxtf: Fills Pdxtff: Flowable fill Pdxtfh: Hydraulic fills Pdxtfr: Rockfills Pdxtr: Relieving platforms Pdy: Bridges and culverts Pdyb: Bridges Pdybb: Bridge members Pdybbc: Bridge approaches Pdybbf: Bridge substructures Pdybbfb: Bridge abutments Pdybbfc: Bridge anchorages Pdybbfe: Bridge bearings Pdybbfep: Bridge bearing pads Pdybbff: Bridge foundations Pdybbfp: Bridge piers Pdybbfw: Bridge waterways Pdybbs: Bridge superstructures Pdybbsc: Bridge cables Pdybbsf: Bridge decks Pdybbsr: Bridge railings Pdybbss: Bridge towers Pdybm: Types of bridges Pdybmd: Types of bridges by design Pdybmdb: Arch bridges Pdybmdc: Cantilever bridges Pdybmdcc: Cable stayed bridges Pdybmdd: Covered bridges Pdybmde: Curved bridges Pdybmdg: Girder bridges Pdybmdgb: Box girder bridges Pdybmdgc: Continuous girder bridges Pdybmdgp: Plate girder bridges Pdybmdh: Long span bridges Pdybmdi: Jointless bridges Pdybmdj: Movable bridges Pdybmdjb: Bascule bridges Pdybmdjd: Drawbridges Pdybmdjm: Lift bridges Pdybmdjs: Swing bridges Pdybmdm: Narrow bridges Pdybmdn: Pontoon bridges Pdybmdp: Prefabricated bridges Pdybmdpb: Bailey bridges Pdybmdr: Skew bridges Pdybmds: Suspension bridges Pdybmdt: Trestles Pdybmdv: Truss bridges Pdybmdx: Viaducts Pdybmm: Types of bridges by material Pdybmmc: Concrete bridges Pdybmmcp: Prestressed concrete bridges Pdybmmcr: Reinforced concrete bridges Pdybmmm: Metal bridges Pdybmmp: Masonry bridges Pdybmmw: Wooden bridges Pdybmu: Types of bridges by use Pdybmuf: Historic bridges Pdybmuh: Highway bridges Pdybmuhc: Causeways Pdybmuht: Toll bridges Pdybmum: Military bridges Pdybmup: Footbridges Pdybmur: Railroad bridges Pdybmurt: Elevated guideways Pdyr: Culverts Pdyrd: Types of culverts Pdyrdb: Box culverts Pdyrdc: Concrete culverts Pdyrdcc: Concrete arch culverts Pdyrdcr: Reinforced concrete culverts Pdyrdm: Metal culverts Pdyrdmb: Aluminum culverts Pdyrdmf: Corrugated metal culverts Pdyrdp: Pipe culverts Pdyrdpc: Corrugated pipe culverts Pdyru: Parts of culverts Pdyruj: Culvert inlets Pdyrup: Culvert outlets Pdyw: Wildlife crossings Pf: Facilities and structures by use Pfb: Activity centers Pfbk: Kiosks Pfc: Commercial buildings Pfcp: Office buildings Pfcpd: Data processing centers Pfcr: Restaurants Pfcrf: Fast food restaurants Pfcrfd: Drive in restaurants Pfcs: Shopping facilities Pfcsb: Convenience stores Pfcsc: Shopping centers Pfcsct: Transit malls Pfd: Control centers Pfde: Control centers by function Pfdec: Airport control towers Pfdeg: Command centers Pfdep: Radar stations Pfder: Traffic control centers Pfdp: Parts of control centers Pfdpc: Control rooms Pfe: Correctional facilities Pfej: Jails Pfep: Prisons Pff: Dwellings Pffb: Apartment buildings Pffm: Mobile homes Pffs: Single family dwellings Pfg: Health care facilities Pfgc: Diagnostic centers Pfgh: Hospitals Pfghh: Hospital emergency rooms Pfh: Hotels Pfhm: Motels Pfk: Industrial buildings Pfkf: Factories Pfkfm: Mills Pfkp: Industrial plants Pfkpb: Asphalt plants Pfkpd: Coal gasification plants Pfkpe: Coal liquefaction plants Pfkpf: Concrete plants Pfkph: LNG plants Pfkpm: Mixing plants Pfkpp: Petroleum refineries Pfkpr: Pilot plants Pfkps: Steel plants Pfl: Maintenance facilities Pfm: Military facilities Pfmc: Command centers Pfmn: Naval shore facilities Pfmr: Radar stations Pfo: Public buildings Pfot: Theaters Pfq: Recreational facilities Pfqb: Amusement parks Pfqc: Casinos Pfqn: Parks Pfqnn: National parks Pfqp: Playgrounds Pfqs: Sports facilities Pfqss: Stadiums Pfr: Research and educational facilities Pfrk: Libraries Pfrl: Museums Pfrm: Laboratories Pfrmt: Test facilities Pfrmtt: Test chambers Pfrmttb: Anechoic chambers Pfrmty: Types of test facilities Pfrmtym: Model basins Pfrmtyp: Proving grounds Pfrmtyt: Test sections Pfrmtyu: Water tunnels (Test facilities) Pfrmtyw: Wind tunnels Pfru: Universities and colleges Pfruc: Campuses Pfrw: High schools Pfs: Storage facilities Pfsg: Grain elevators Pfss: Silos Pfst: Storage tanks Pfsw: Warehouses Pft: Temporary structures Pfw: Waste disposal facilities Pfwj: Junkyards Pfwm: Landfills Pfwms: Sanitary landfills Pfwr: Radioactive waste facilities Pfx: Weather stations Pfy: Minor structures Pfyf: Fences Pfyfs: Snow fences Pfyg: Garages Pfyj: Gates Pfys: Shelters Pfysw: Windbreaks Pfyt: Towers Pm: Transportation, hydraulic and utility facilities Pme: Intermodal facilities Pmeb: Transportation buildings Pmec: Transportation corridors Pmet: Intermodal terminals Pmetf: Freight terminals Pmetfc: Cargo facilities Pmetfcm: Loading facilities Pmetfcu: Unloading facilities Pmetp: Passenger terminals Pmeu: Transit centers Pmeut: Transfer centers Pmey: Intermodal yards Pmf: Air transportation facilities Pmfc: Airports Pmfcb: Types of airports Pmfcbb: Air bases Pmfcbg: General aviation airports Pmfcbh: Heliports Pmfcbj: International airports Pmfcbp: Offshore airports Pmfcbq: Private airports Pmfcbs: STOL ports Pmfcbu: Utility airports Pmfcbv: V/STOL airports Pmfcg: Airport facilities Pmfcgc: Airport terminals Pmfcgcb: Aprons (Airports) Pmfcgcc: Air cargo terminals Pmfcgcd: Concourses (Airports) Pmfcgcf: Departure lounges Pmfcgcg: Aircraft gates Pmfcgcj: Intra airport transportation facilities Pmfcgcjc: Airbridges Pmfcgcjm: Mobile lounges Pmfcgcp: Airport parking facilities Pmfcgcs: Satellite terminals (Airports) Pmfcgct: Airport ticket counters Pmfcgf: Hangars Pmfcgm: Landing fields Pmfcgmr: Airport runways Pmfcgmrj: Intersecting runways Pmfcgmrp: Parallel runways Pmfcgmt: Taxiways Pmfg: Air traffic control facilities Pmfgc: Air route traffic control centers Pmfgf: Airport control towers Pmfgs: Flight service stations Pmfk: Airstrips Pmfke: Emergency airstrips Pmfl: Landing mats Pmfm: Airways Pmg: Communication facilities Pmgr: Radio stations Pmgt: Telecommuting centers Pmh: Hydraulic structures Pmhb: Harbors Pmhbc: Types of harbors Pmhbcd: Deepwater harbors Pmhbcm: Marinas Pmhbm: Components of harbors Pmhbmp: Ports Pmhbmpc: Types of ports Pmhbmpcm: River ports Pmhbmpcp: Seaports Pmhbmpcs: Superports Pmhbmpm: Port structures Pmhbmpmb: Wharves Pmhbmpmbd: Types of wharves Pmhbmpmbdf: Quays Pmhbmpmbdr: Piers (Wharves) Pmhbmpmbr: Wharf components Pmhbmpmbrb: Aprons (Wharves) Pmhbmpmbrf: Berthing facilities Pmhbmpmbrg: Bollards Pmhbmpmbrj: Fenders (Wharves) Pmhbmpmbrm: Gantry cranes Pmhbmpmbrr: Dolphins (Piles) Pmhbmpmbrt: Waterfront structures Pmhbmpmbrtt: Transit sheds (Wharves) Pmhbmpmf: Docks Pmhbmpmfd: Drydocks Pmhbmpmff: Floating docks Pmhbmpmm: Moorings Pmhbmpmmb: Mooring buoys Pmhbmpmmd: Offshore moorings Pmhbmpmmp: Single point moorings Pmhbmpmt: Marine terminals Pmhbmpmtb: Bulk cargo terminals Pmhbmpmtd: Coal terminals Pmhbmpmtf: Container terminals Pmhbmpmtg: Ferry terminals Pmhbmpmth: Grain terminals Pmhbmpmtj: LASH terminals Pmhbmpmtm: LNG terminals Pmhbmpmtp: Offshore terminals Pmhbmpmtq: Ore terminals Pmhbmpmtr: Petroleum terminals Pmhbmpmtv: VLCC ports Pmhbmy: Shipyards Pmhd: Coast and river protective works Pmhdb: Berms Pmhdc: Breakwaters Pmhdcf: Floating breakwaters Pmhdcr: Rubble mound breakwaters Pmhdd: Bulkheads (Hydraulics) Pmhdh: Dikes Pmhdhs: Spur dikes Pmhdj: Groins (Hydraulics) Pmhdk: Jetties Pmhdm: Levees Pmhdp: Polders Pmhdr: Revetments Pmhdt: Riprap Pmhdv: Sea walls Pmhe: Lighthouses Pmhj: Canals and waterways Pmhjc: Canals Pmhjcj: Interoceanic canals Pmhjw: Waterways Pmhjwj: Inland waterways Pmhjwn: Intracoastal waterways Pmhjy: Parts of canals and waterways Pmhjyb: Banks (Waterways) Pmhjyd: Canal linings Pmhjye: Channels (Waterways) Pmhjyeb: Benching Pmhjyem: Channel linings Pmhjyes: Streambeds Pmhjyh: Flumes Pmhjyn: Locks (Waterways) Pmhjync: Lock chambers Pmhjyng: Lock gates Pmhjynm: Lift gates (Locks) Pmhjys: Stilling basins Pmhjyu: Substrates (Waterways) Pmhm: Dams Pmhmb: Types of dams Pmhmbb: Arch dams Pmhmbc: Cofferdams Pmhmbd: Concrete dams Pmhmbe: Earth dams Pmhmbg: Gravity dams Pmhmbr: Rockfill dams Pmhmbw: Weirs Pmhmr: Parts of dams Pmhmrf: Dam foundations Pmhmrh: Fish ladders Pmhmrm: Sluices Pmhmrp: Spillways Pmhp: Irrigation and drainage structures Pmhpd: Drainage structures Pmhpdb: Catch basins Pmhpdc: Detention basins Pmhpdd: Ditches Pmhpde: Drainage canals Pmhpdf: Drains Pmhpdfe: Edge drains Pmhpdff: Filter drains Pmhpdfh: Horizontal drains Pmhpdfr: Sand drains Pmhpdfs: Subdrains Pmhpdfv: Vertical drains Pmhpdfx: Wick drains Pmhpdh: Drainage basins Pmhpdj: Drainage blankets Pmhpdm: Grates Pmhpdp: Gutters Pmhpdq: Manholes Pmhpds: Sewers Pmhpdss: Storm sewers Pmhpdu: Sumps Pmhpdv: Swales Pmhpj: Irrigation structures Pmhpjj: Irrigation canals Pmhpjm: Laterals (Irrigation) Pmhs: Water supply and distribution structures Pmhsf: Water supply structures Pmhsfb: Aqueducts Pmhsff: Desalination plants Pmhsfr: Reservoirs Pmhsft: Water pipelines Pmhsftp: Piping systems Pmhsfw: Water tunnels Pmhsfy: Water wells Pmhsm: Water distribution structures Pmhsmf: Water mains Pmhsmn: Water towers Pmhsmt: Waterworks Pmhv: Sewerage structures Pmhvs: Sewage holding tanks Pmhvt: Sewage treatment plants Pmhvu: Sanitary sewers Pmhy: Offshore structures Pmhyc: Caissons Pmhyf: Floating structures Pmhym: Moored structures Pmhyp: Offshore platforms Pmhypd: Offshore drilling platforms Pmhyq: Offshore power plants Pmhys: Offshore terminals Pmhyu: Underwater structures Pmhyuf: Underwater foundations Pmhyup: Underwater pipelines Pmhyut: Underwater tunnels Pmn: Pipeline facilities Pmnp: Pipelines Pmnpp: Pipelines by product carried Pmnppb: Capsule pipelines Pmnppc: Coal pipelines Pmnppg: Gas pipelines Pmnppgn: Natural gas pipelines Pmnppgnm: LNG pipelines Pmnppp: Petroleum pipelines Pmnpps: Slurry pipelines Pmnppu: Sulfur pipelines Pmnppw: Water pipelines Pmnpt: Pipelines by location Pmnptu: Underwater pipelines Pmns: Pipeline pumping stations Pmp: Electric utility facilities Pmpp: Electric power plants Pmppc: Combined cycle power plants Pmppf: Fossil fuel power plants Pmppg: Geothermal power plants Pmpph: Hydroelectric plants Pmppn: Nuclear power plants Pmppp: Offshore power plants Pmpps: Solar power plants Pmppt: Steam power plants Pmppu: Tidal power plants Pmppv: Thermal power plants Pmppvc: Cooling towers Pmpt: Electric power transmission facilities Pmptm: Transmission lines Pmptmg: Grids (Transmission lines) Pmptmp: Overhead utility lines Pmptmu: Underground utility lines Pmptp: Utility poles Pmpts: Electric substations Pmptt: Electric transmission towers Pmpv: Street lighting Pmpvc: Lighting columns Pmpvch: High mast lighting Pmpvm: Luminaires Pmr: Highway facilities Pmrc: Roads Pmrcc: Types of roads Pmrccd: Principal types of roads Pmrccdb: Alleys Pmrccde: Expressways Pmrccdf: Freeways Pmrccdh: Highways Pmrccdhb: Arterial highways Pmrccdhc: Depressed highways Pmrccdhd: Divided highways Pmrccds: Streets Pmrccdsc: Cul de sacs Pmrccdsd: Dead end streets Pmrccdsp: One way streets Pmrcce: Types of roads by environment Pmrccef: Forest roads Pmrccem: Mountain roads Pmrccep: Parkways Pmrccer: Rural highways Pmrcces: Scenic highways Pmrcceu: Urban highways Pmrccj: Types of roads by jurisdiction Pmrccjc: County roads Pmrccjf: Federal aid highways Pmrccjj: International roads Pmrccjm: Interstate highways Pmrccjp: Primary highways Pmrccjq: Private roads Pmrccjqd: Driveways Pmrccjr: Public roads Pmrccjs: Secondary roads Pmrccjt: State highways Pmrccjv: Toll roads Pmrcck: Types of roads by number of lanes Pmrcckb: Two lane highways Pmrcckf: Three lane highways Pmrcckm: Four lane highways Pmrcckr: Multilane highways Pmrccn: Types of roads by network Pmrccnb: Access roads Pmrccnbf: Frontage roads Pmrccnd: Approach roads Pmrccnf: Beltways Pmrccnj: Bypasses Pmrccnm: Highway corridors Pmrccnr: Radial highways Pmrccp: Types of roads by purpose Pmrccpb: Automated highways Pmrccpc: Commercial strips Pmrccpe: Experimental roads Pmrccpet: Test tracks Pmrccpetc: Circular test tracks Pmrccpf: Farm roads Pmrccph: Haul roads Pmrccpk: Logging roads Pmrccpp: Recreational roads Pmrccpr: Residential streets Pmrccps: Service roads Pmrccu: Unpaved roads Pmrccue: Earth roads Pmrccug: Gravel roads Pmrccv: Types of roads by traffic volume Pmrccvh: High volume roads Pmrccvm: Low volume roads Pmrck: Geometric segments Pmrckc: Highway curves Pmrckct: Transition curves Pmrckg: Highway grades Pmrckgd: Downgrades (Roads) Pmrckgu: Upgrades (Roads) Pmrcp: Parts of roads Pmrcpb: Barriers (Roads) Pmrcpbc: Anti glare screens Pmrcpbe: Crash cushions Pmrcpbet: Truck mounted attenuators Pmrcpbg: Guardrails Pmrcpbgt: Guardrail terminals Pmrcpbgv: Guardrail transition sections Pmrcpbm: Medians Pmrcpbmb: Median barriers Pmrcpbmp: Median openings Pmrcpbn: Noise barriers Pmrcpc: Curbs Pmrcpj: Interchanges and intersections Pmrcpjf: Intersections Pmrcpjfc: Types of intersections Pmrcpjfcb: At grade intersections Pmrcpjfcd: Channelized intersections Pmrcpjfcf: Four leg intersections Pmrcpjfcg: Offset intersections Pmrcpjfch: Signalized intersections Pmrcpjfchi: Isolated intersections Pmrcpjfcj: T intersections Pmrcpjfcm: Traffic circles Pmrcpjfcmr: Roundabouts Pmrcpjfcp: Three leg intersections Pmrcpjfcr: Unchannelized intersections Pmrcpjfct: Unsignalized intersections Pmrcpjfcv: Y intersections Pmrcpjfr: Intersection elements Pmrcpjfrd: Dilemma zone Pmrcpjfrf: Gore area Pmrcpjfrj: Grade separations Pmrcpjfrjp: Overpasses Pmrcpjfrju: Underpasses Pmrcpjfrt: Traffic islands Pmrcpjs: Interchanges Pmrcpjsc: Types of interchanges Pmrcpjscc: Cloverleaf interchanges Pmrcpjscd: Diamond interchanges Pmrcpjscds: Single point urban interchanges Pmrcpjsct: Trumpet interchanges Pmrcpjsr: Interchange elements Pmrcpjsrm: Merging area Pmrcpjsrr: Ramps (Interchanges) Pmrcpjsrrf: Off ramps Pmrcpjsrrn: On ramps Pmrcpm: Traffic lanes Pmrcpma: Approach lanes Pmrcpmb: Auxiliary lanes Pmrcpmc: Bicycle lanes Pmrcpme: Climbing lanes Pmrcpmg: Contraflow lanes Pmrcpmh: Downgrade lanes Pmrcpmi: Express lanes Pmrcpmj: High occupancy vehicle lanes Pmrcpmjb: Bus lanes Pmrcpmjh: High occupancy toll lanes Pmrcpmk: Lane drops Pmrcpml: Managed lanes Pmrcpmm: Median lanes Pmrcpmr: Reversible traffic lanes Pmrcpmt: Speed change lanes Pmrcpmtb: Acceleration lanes Pmrcpmtd: Deceleration lanes Pmrcpmtp: Passing lanes Pmrcpmv: Truck lanes Pmrcpmx: Turning lanes Pmrcpmxm: Left turn lanes Pmrcpmxmt: Two way left turn lanes Pmrcpmxr: Right turn lanes Pmrcpp: Pavements Pmrcppb: Types of pavements Pmrcppbd: Types of pavements by surface load distribution Pmrcppbdf: Flexible pavements Pmrcppbdr: Rigid pavements Pmrcppbm: Types of pavements by material Pmrcppbmb: Asphalt pavements Pmrcppbmd: Asphalt concrete pavements Pmrcppbmf: Bituminous pavements Pmrcppbmh: Bituminous concrete pavements Pmrcppbmj: Brick pavements Pmrcppbmk: Composite pavements Pmrcppbmm: Concrete pavements Pmrcppbmmn: Precast concrete pavements Pmrcppbmmp: Prestressed concrete pavements Pmrcppbmmr: Reinforced concrete pavements Pmrcppbmmrc: Continuously reinforced concrete pavements Pmrcppbmms: Roller compacted concrete pavements Pmrcppbmp: Mosaic pavements Pmrcppbms: Soil cement pavements Pmrcppbmw: Wooden pavements Pmrcppbr: Perpetual pavements Pmrcppp: Pavement components Pmrcpppj: Pavement joints Pmrcpppm: Pavement layers Pmrcpppmb: Surface course (Pavements) Pmrcpppmbb: Binder course Pmrcpppmbf: Friction course Pmrcpppmbp: Overlays (Pavements) Pmrcpppmbpb: Bituminous overlays Pmrcpppmbpc: Concrete overlays Pmrcpppmbpcp: Whitetopping Pmrcpppmbs: Seal coats Pmrcpppmbw: Wearing course (Pavements) Pmrcpppmby: Surface course irregularities Pmrcpppmbyp: Potholes (Pavements) Pmrcpppmbyr: Ruts (Pavements) Pmrcpppme: Base course (Pavements) Pmrcpppmeb: Bituminous bases Pmrcpppmec: Concrete bases Pmrcpppmeg: Granular bases Pmrcpppmg: Subbase (Pavements) Pmrcpppmr: Subgrade (Pavements) Pmrcpr: Roadside Pmrcprc: Clear zones Pmrcprm: Roadside memorials Pmrcprs: Roadside structures Pmrcprsm: Mailboxes Pmrcps: Road shoulders Pmrcpsp: Paved shoulders Pmrcpsw: Dropoffs (Pavements) Pmrcpw: Weaving sections Pmrt: Highway facilities for nonmotorized users Pmrtc: Bicycle facilities Pmrtcc: Bicycle crossings Pmrtcg: Bicycle lanes Pmrtcm: Bikeways Pmrtp: Pedestrian areas Pmrtpc: Crosswalks Pmrtpcd: School crossings Pmrtpck: Midblock crossings Pmrtpcp: Panda crossings Pmrtpcz: Zebra crossings Pmrtpm: Moving sidewalks Pmrtpp: Pedestrian malls Pmrtps: Sidewalks Pmrtpt: Trails Pmrtpw: Walkways Pmru: Highway facilities for motorized users Pmrub: Bus and high occupancy vehicle facilities Pmrubg: Bus garages Pmrubm: Bus lanes Pmrubs: Bus stops Pmrubsb: Bus bays Pmrubsk: Farside (Bus stops) Pmrubsn: Nearside (Bus stops) Pmrubss: Bus stop shelters Pmrubt: Bus terminals Pmrubw: Busways Pmruby: High occupancy vehicle lanes Pmruj: Inspection stations Pmrup: Parking facilities Pmrupg: Parking garages Pmrupgu: Underground parking garages Pmrupm: Parking lots Pmruq: Roadside rest areas Pmrur: Service stations Pmrus: Toll facilities Pmrusb: Toll booths Pmrusp: Toll plazas Pmrut: Traffic control centers Pmruu: Truck facilities Pmruue: Escape lanes Pmruueb: Arrester beds Pmruuk: Truck lanes Pmruum: Truck loading facilities Pmruus: Truck stops Pmruut: Truck terminals Pmruuw: Weigh stations Pmruuws: Motor vehicle scales Pmruuww: Weigh in motion scales Pmruv: Turnouts Pmu: Railroad facilities Pmuc: Contact wire Pmucc: Catenaries (Railroads) Pmud: Railroad tracks Pmudb: Types of track Pmudbb: Ballastless track Pmudbc: Curved track Pmudbe: Concrete slab track Pmudbf: Double track Pmudbg: Guideways Pmudbh: High speed track Pmudbj: Jointed track Pmudbm: Multiple track Pmudbn: Narrow gage track Pmudbs: Single track Pmudbt: Tangent track Pmudbv: Track panels Pmudbx: Unconventional track Pmude: Lines of track Pmudeb: Branch lines Pmudem: Main lines Pmudk: Track components Pmudkb: Ballast crib Pmudkd: Crossovers Pmudkh: Frogs (Railroads) Pmudkr: Rail (Railroads) Pmudkrb: Types of railroad rail Pmudkrbb: Curved rail Pmudkrbc: Continuous welded rail Pmudkrbd: Corrugated rail Pmudkrbh: Heat treated rail Pmudkrbr: Reaction rails Pmudkrbs: Steel rails Pmudkrbt: Third rail Pmudkrbw: Welded rail Pmudkrk: Rail components Pmudkrkj: Rail joints Pmudkrkr: Railhead Pmudks: Sidings (Railroads) Pmudkt: Switches (Railroads) Pmudku: Railroad ties Pmudkuc: Concrete ties Pmudkucp: Prestressed concrete ties Pmudkus: Steel ties Pmudkuw: Wood ties Pmudkv: Tie pads Pmudkw: Tie plates Pmudkx: Turnouts Pmuj: Railroad grade crossings Pmujs: Grade crossing surfaces Pmur: Railroad buildings Pmurp: Railroad stations Pmurpr: Rail transit stations Pmurprs: Subway stations Pmurt: Railroad terminals Pmurv: Railroad maintenance facilities Pmurvc: Car shops (Railroads) Pmurvm: Locomotive shops Pmurvw: Wheel shops (Railroads) Pmut: Railroad yards Pmutc: Classification yards Pmutch: Hump yards Pmuy: Rail transit facilities Pmuyc: Light rail transit grade crossings Pmuyg: Guideways Pmuyge: Line extensions (Rail transit) Pmuys: Rail transit stations Pmuyss: Subway stations Pt: Structural deterioration and defects Pte: Deterioration Pteb: Aging (Materials) Ptew: Wear Ptq: Defects Q: Vehicles and equipment Qb: Vehicles Qbd: Ground vehicles Qbdb: Rolling stock Qbdd: Motor vehicles Qbddb: Vehicle fleets Qbddf: Trucks Qbddfc: Tractor trailer combinations Qbddfcm: Truck tractors Qbddfct: Trailers Qbddfk: Special purpose trucks Qbddfkd: Delivery vehicles Qbddfkj: Industrial trucks Qbddfkjs: Straddle trucks Qbddfkk: Refrigerator trucks Qbddfkp: Tow trucks Qbddfkr: Dump trucks Qbddfkt: Tank trucks Qbddfkw: Logging trucks Qbddfp: Trucks by motive power Qbddfpd: Diesel trucks Qbddfpe: Electric trucks Qbddft: Trucks by number of axles Qbddftb: Two axle trucks Qbddftc: Three axle trucks Qbddfw: Trucks by weight Qbddfwc: Light trucks Qbddfwcf: Pickup trucks Qbddfwf: Medium trucks Qbddfwh: Heavy duty trucks Qbddh: Passenger vehicles Qbddhm: Private passenger vehicles Qbddhmc: Automobiles Qbddhmcc: Automobiles by type Qbddhmccb: Large automobiles Qbddhmccc: Midsize automobiles Qbddhmccd: Compact automobiles Qbddhmccf: Subcompact automobiles Qbddhmcch: Miniature automobiles Qbddhmccm: Station wagons Qbddhmccs: Sports cars Qbddhmcct: Convertibles (Automobiles) Qbddhmccu: Utility vehicles Qbddhmccus: Sport utility vehicles Qbddhmccx: Foreign automobiles Qbddhmck: Special purpose automobiles Qbddhmckh: Automobiles for the physically handicapped Qbddhmckr: Race cars Qbddhmckt: Rental cars Qbddhmcp: Automobiles by motive power Qbddhmcpe: Electric automobiles Qbddhmcpg: Gas turbine automobiles Qbddhmcph: Hybrid automobiles Qbddhmcps: Steam automobiles Qbddhmm: Two wheeled vehicles Qbddhmmm: Mopeds Qbddhmmq: Motorcycles Qbddhmn: Three wheeled vehicles Qbddhp: Public passenger vehicles Qbddhpb: Buses Qbddhpbk: Special purpose buses Qbddhpbke: Express buses Qbddhpbkf: Feeder buses Qbddhpbkk: School buses Qbddhpbkq: Guided buses Qbddhpbks: Shuttle buses Qbddhpbkt: Transit buses Qbddhpbkv: Tour buses Qbddhpbp: Buses by motive power Qbddhpbpd: Diesel buses Qbddhpbpe: Electric buses Qbddhpbpet: Trolleybuses Qbddhpbpg: Natural gas buses Qbddhpbw: Buses by size Qbddhpbwb: Minibuses Qbddhpbwd: Small buses Qbddhpbwh: Double deck buses Qbddhpbwj: Articulated buses Qbddhpp: Paratransit vehicles Qbddhpph: High occupancy vehicles Qbddhppj: Jitneys Qbddhppl: Limousines Qbddhppt: Taxicabs Qbddk: Special purpose vehicles Qbddkb: All terrain vehicles Qbddkc: Commercial vehicles Qbddkd: Dual mode vehicles Qbddke: Emergency vehicles Qbddkef: Fire vehicles Qbddkem: Ambulances Qbddkh: Farm vehicles Qbddkht: Farm tractors Qbddkj: Intelligent vehicles Qbddkl: Low floor vehicles Qbddkm: Military vehicles Qbddkmb: Autonomous land vehicles Qbddkmc: Combat vehicles Qbddkmct: Tanks (Combat vehicles) Qbddkn: Armored vehicles Qbddkp: Police vehicles Qbddkq: Recreational vehicles Qbddkqc: Camper trucks Qbddkqg: Golf carts Qbddkqt: Travel trailers Qbddkr: Tracked vehicles Qbddkt: Towing vehicles Qbddku: Towed vehicles Qbddkw: Snowmobiles Qbddkx: Test vehicles Qbddkxd: Impact sleds Qbddkxdr: Rocket sleds Qbddkxj: Instrumented vehicles Qbddkxjb: Experimental vehicles Qbddkxjp: Probe vehicles Qbddkxs: Safety vehicles Qbddkxw: Skid trailers Qbddkxy: Vans Qbddky: Zero emission vehicles Qbddp: Vehicles by motive power Qbddpe: Electric vehicles Qbddpef: Fuel cell vehicles Qbddph: Hybrid vehicles Qbddps: Solar powered vehicles Qbddv: Vehicles by speed Qbddvf: High speed vehicles Qbddvs: Slow moving vehicles Qbddw: Vehicles by weight Qbddwd: Light vehicles Qbddwh: Heavy vehicles Qbddwk: Heavy duty vehicles Qbdf: Horse drawn vehicles Qbdh: Human powered vehicles Qbdhb: Bicycles Qbdhc: Tricycles Qbdhh: Wheelchairs Qbdhr: Rickshaws Qbdhs: Scooters Qbdhu: In-line skates Qbf: Railroad trains Qbff: Freight trains Qbfh: Passenger trains Qbfj: Multiple unit trains Qbfm: Train components Qbfmc: Locomotives Qbfmcc: Types of locomotives Qbfmccm: Multiple unit locomotives Qbfmccp: Slave locomotives Qbfmccs: Switching locomotives Qbfmcp: Locomotives by motive power Qbfmcpd: Diesel locomotives Qbfmcpe: Diesel electric locomotives Qbfmcph: Diesel hydraulic locomotives Qbfmcpk: Electric locomotives Qbfmcpp: Gas turbine locomotives Qbfmcpq: Dual powered locomotives Qbfmcps: Steam locomotives Qbfmk: Railroad cars Qbfmkc: Cabooses Qbfmkf: Freight cars Qbfmkfc: Covered freight cars Qbfmkfca: Automobile rack cars Qbfmkfcb: Box cars Qbfmkfch: Covered hopper cars Qbfmkfcr: Refrigerator cars Qbfmkfct: Tank cars Qbfmkfg: Open top cars Qbfmkfgc: Container cars Qbfmkfgf: Flat cars Qbfmkfgg: Gondola cars Qbfmkfgh: Hopper cars Qbfmkfx: Mine cars Qbfmkh: Passenger cars Qbfmkhb: Intercity passenger cars Qbfmkhc: Commuter cars Qbfmkhcd: Double deck commuter cars Qbfmkhu: Rapid transit cars Qbfmkhw: Sleeping cars Qbfmkj: Rail motorcars Qbfmkk: Maintenance of way cars Qbfmkkt: Inspection cars Qbfmkm: Multiple unit cars Qbfmkmd: Diesel multiple unit cars Qbfmkme: Electric multiple unit cars Qbfmkt: Railroad cars by type Qbfmktb: Two axle cars Qbfmktd: Four axle cars Qbfmktj: Articulated cars Qbfmktk: High capacity cars Qbfmktm: Aluminum cars Qbfp: Trains by motive power Qbfpe: Electric trains Qbfpt: Turbotrains Qbft: Streetcars Qbftc: Cable cars Qbftt: Trolley cars Qbfx: Special trains Qbfxb: Railbuses Qbfxg: Tracked air cushion vehicles Qbfxh: High speed trains Qbfxj: Light rail vehicles Qbfxm: Magnetic levitation vehicles Qbfxv: Crewless trains Qbfxx: Test trains Qbfxy: Tilting trains Qbh: Ships Qbhd: Merchant vessels Qbhdb: Merchant marine Qbhdf: Cargo ships Qbhdfb: Bulk carriers Qbhdfbg: Combination carriers Qbhdfbgo: Ore bulk oil carriers Qbhdfbk: Dry bulk carriers Qbhdfbko: Ore carriers Qbhdfbm: Tankers Qbhdfbmc: Chemical tankers Qbhdfbmp: Oil tankers Qbhdfbmpw: Supertankers Qbhdfbmpy: Very large crude carriers Qbhdfj: Barge carriers Qbhdfk: Containerships Qbhdfm: General cargo ships Qbhdfp: Roll on roll off ships Qbhdfr: Refrigerated ships Qbhdfu: Cargo submarines Qbhdh: Passenger ships Qbhdhc: Cruise ships Qbhdhm: Ocean liners Qbhdht: Ferries Qbhe: Pleasure craft Qbheb: Aquaplanes Qbhex: Yachts Qbhf: Feeder vessels Qbhfs: Offshore supply boats Qbhk: Special purpose ships Qbhkd: Drilling ships Qbhkp: Survey vessels Qbhkr: Research ships Qbhkrm: Oceanographic vessels Qbhks: Icebreakers Qbhksn: Nuclear powered icebreakers Qbhkt: Tugboats Qbhktm: Ocean going tugs Qbhktp: Towboats Qbhn: Inland waterways vessels Qbho: Ships by ownership Qbhog: Government vessels Qbhom: Military vessels Qbhoma: Aircraft carriers Qbhomb: Submarines Qbhomf: Cruisers Qbhomh: Frigates Qbhomj: Destroyers Qbhomm: Landing craft Qbhp: Ships by motive power Qbhpj: Waterjet propelled craft Qbhpn: Nuclear powered ships Qbhpw: Sailing ships Qbhpy: Steamships Qbhs: Boats Qbhsh: Hydrofoil boats Qbhsj: Hydroplanes Qbhss: Surface effect ships Qbhsw: Work boats Qbhswc: Heavy lift vessels Qbhswf: Fire boats Qbhswh: Fishing vessels Qbhswm: Lifeboats Qbhswmr: Life rafts Qbhswmri: Inflatable life rafts Qbhswp: Patrol boats Qbhswq: Pontoon boats Qbhsws: Supply vessels Qbhswso: Offshore support vessels Qbhswsp: Tug supply vessels Qbhswst: Tenders Qbht: Barges Qbhtm: LASH barges Qbhtp: Pusher barges Qbhtt: Tank barges Qbhtu: Towed barges Qbhu: Underwater vehicles Qbhud: Deep submergence vehicles Qbhus: Semisubmersibles Qbhuu: Submersibles Qbhv: Multi hulled ships Qbhvt: Twin hulled ships Qbhvtc: Catamarans Qbhvw: SWATH ships Qbhw: Ships by size Qbhwb: Full bodied ships Qbhws: Small ships Qbhww: Deep draft ships Qbhwx: Shallow draft ships Qbhx: High performance surface ships Qbhxf: High speed craft Qbk: Aircraft Qbkf: Transport aircraft Qbkff: Cargo aircraft Qbkfj: Jet transports Qbkfr: Regional jets Qbkfs: Supersonic transport planes Qbkh: Passenger aircraft Qbkha: Air ambulances Qbkhc: Commuter aircraft Qbkk: Utility aircraft Qbkkt: Training aircraft Qbkktj: Jet training planes Qbkm: Aircraft by type of lift Qbkmf: Airplanes Qbkmh: Tilt wing aircraft Qbkmj: STOL aircraft Qbkmk: VTOL aircraft Qbkmkp: Tiltrotor aircraft Qbkmks: V/STOL aircraft Qbkmr: Rotary wing aircraft Qbkmrh: Helicopters Qbkmw: Lighter than air craft Qbkmwb: Balloons Qbkmwd: Airships Qbko: Aircraft by ownership Qbkoc: Civil aircraft Qbkom: Military aircraft Qbkomf: Attack aircraft Qbkomff: Jet fighters Qbkomh: Drone aircraft Qbkomhr: Remotely piloted aircraft Qbkomk: Guided missiles Qbkomm: Army aircraft Qbkomn: Naval aircraft Qbkop: General aviation aircraft Qbkopc: Business aircraft Qbkopp: Private aircraft Qbkp: Aircraft by motive power Qbkph: Human powered aircraft Qbkpj: Jet propelled aircraft Qbkpp: Propeller driven aircraft Qbkppg: Turboprop aircraft Qbkpw: Wind powered aircraft Qbks: Aircraft by speed Qbksb: Subsonic aircraft Qbksf: Supersonic aircraft Qbksh: Hypersonic aircraft Qbkw: Aircraft by size Qbkwf: Small aircraft Qbkwfu: Ultralight aircraft Qbkwn: Narrow body aircraft Qbkww: Wide body aircraft Qbky: Seaplanes Qbn: Spacecraft Qbnc: Artificial satellites Qbnl: Launch vehicles Qbns: Space shuttles Qbnu: Space stations Qbq: Amphibious vehicles Qbqg: Air cushion vehicles Qc: Vehicle characteristics Qcc: Vehicle capacity Qcf: Vehicle fitness Qcfd: Airworthiness Qcfm: Crashworthiness Qcfp: Driveability Qcfs: Seaworthiness Qch: Handling characteristics Qcht: Turning radius Qcm: Maneuverability Qcp: Vehicle performance Qcpb: Braking performance Qcpd: Drawbar pull Qcph: Horsepower Qcpr: Range (Vehicles) Qcpt: Riding qualities Qcs: Vehicle size Qcsm: Metacentric height Qcsw: Wheel base Qcw: Vehicle weight Qcwg: Gross weight Qcwgg: Gross vehicle weight Qcwu: Unsprung weight Qd: Vehicle dynamics Qdb: Flight Qdbc: Flight characteristics Qdbca: Angle of attack Qdbcb: Airspeed Qdbcg: Ground speed Qdbcgw: Wind factor (Air navigation) Qdbct: Flight time Qdbd: Flight dynamics Qdbdb: Aerodynamic lift Qdbdbm: Lift drag ratio Qdbde: Aerodynamic stability Qdbdeh: Directional stability Qdbdeq: Dynamic stability Qdbdf: Attitude (Flight dynamics) Qdbdh: Downwash Qdbdj: Flutter (Aeronautics) Qdbdk: Ground effect Qdbdn: Pitch (Dynamics) Qdbdnm: Pitching moment Qdbdr: Stall Qdbdt: Thrust Qdbdtb: Blade loading Qdbdu: Trim (Aeronautics) Qdbdw: Wing loading Qdbdx: Yaw Qdbp: Flight paths Qdbpb: Approach Qdbpf: Climbing flight Qdbpk: Cruising flight Qdbpp: Descent Qdm: Motor vehicle dynamics Qdmb: Axle loads Qdmbt: Tandem axle loads Qdmbw: Wheel loads Qdmp: Offtracking Qdms: Skidding Qdmt: Tire mechanics Qdmtp: Tire pressure Qdmtt: Tire forces Qdmv: Trailer swing Qdmx: Wheel slip Qdr: Train track dynamics Qdrh: Hunting (Dynamics) Qdrm: L/V ratio Qdrr: Rocking Qds: Ship motion Qdsb: Dynamic stability Qdsd: Heaving (Ship motion) Qdsg: Heeling Qdsj: Pitch (Dynamics) Qdsjp: Pitching moment Qdsm: Rolling Qdsp: Slamming Qdsq: Surging Qdst: Swaying Qdsy: Yaw Qp: Vehicle components Qpb: Vehicle bodies Qpba: Vehicle body parts Qpbac: Vehicle front end Qpbacb: Bows Qpbai: Vehicle interiors Qpbam: Vehicle rear end Qpbams: Sterns Qpbamt: Tails (Aircraft) Qpbas: Vehicle sides Qpbasn: Nearside Qpbaso: Offside Qpbasp: Port side Qpbass: Starboard side Qpbau: Underbodies Qpbaub: Bilges Qpbaud: Double bottoms Qpbax: Vehicle roofs Qpbb: Bodies of specific vehicles Qpbbb: Airframes Qpbbbk: Airfoils Qpbbbkd: Elevators (Airplanes) Qpbbbkf: Fins (Aircraft) Qpbbbkm: Leading edges Qpbbbkt: Trailing edges Qpbbbkw: Wings (Aircraft) Qpbbbr: Fuselages Qpbbd: Bluff bodies Qpbbm: Motor vehicle bodies Qpbbs: Ship bodies Qpbbsh: Hulls Qpbbshp: Planing hulls Qpbbsm: Hydrofoils Qpbbsms: Supercavitating hydrofoils Qpbc: Vehicle body components Qpbcb: Bumpers Qpbcd: Doors (Vehicles) Qpbcdh: Hatch covers Qpbce: Door latches Qpbcf: Door handles Qpbch: Hoods Qpbcj: Aerodynamic features (Vehicle body components) Qpbcjf: Fairings Qpbcjs: Spoilers Qpbcn: Fenders Qpbct: Trunks (Vehicles) Qpbcw: Windows (Vehicles) Qpbcws: Side windows Qpbcwx: Windshields Qpe: Vehicle compartments Qpec: Crew compartments Qpecb: Bridges (Ships) Qpecc: Cabs (Vehicle compartments) Qpecf: Flight decks Qpecfc: Cockpits Qpep: Passenger compartments Qpepb: Aircraft cabins Qpes: Cargo compartments Qpesh: Holds (Vehicles) Qpeu: Engine compartments Qpeun: Nacelles Qpey: Vehicle compartment components Qpeyj: Instrument panels Qpeyjj: Indicators (Instruments) Qpeyp: Pedals Qpeys: Seats Qpeysb: Types of seats Qpeysbe: Ejection seats Qpeysbf: Front seats Qpeysbr: Rear seats Qpeysy: Parts of seats Qpeysyb: Seat backs Qpeysyh: Headrests Qpg: Vehicle frames Qpgc: Chassis Qpgy: Structural components of specific vehicles Qpgyb: Aircraft structural components Qpgybb: Ribs (Aircraft) Qpgyr: Railcar structural components Qpgyrt: Car trucks (Railroads) Qpgyrw: Wheelsets (Railroads) Qpgyrwr: Car wheels (Railroads) Qpgys: Ship structural components Qpgysb: Bulkheads (Ships) Qpgysd: Decks (Ships) Qpgyse: Deckhouses Qpgysk: Keels Qpgysp: Plating (Ships) Qpgyss: Skegs Qpgyst: Stems (Ships) Qph: Vehicle push devices Qphb: Axles Qphd: Driving wheels Qphp: Propellers Qphpb: Types of propellers Qphpbb: Contrarotating propellers Qphpbd: Controllable pitch propellers Qphpbg: Cycloidal propellers Qphpbj: Ducted propellers Qphpbn: Screw propellers Qphpbp: Shrouded propellers Qphpbr: Steerable propellers Qphpbs: Supercavitating propellers Qphpbv: Variable pitch propellers Qphpy: Propeller components Qphpyb: Propeller blades Qphpys: Propeller shafts Qphr: Rotors Qphrb: Rotor blades Qpi: Suspension systems Qpib: Active suspension systems Qpid: Air suspension systems Qpif: Front suspension systems Qpih: Rear suspension systems Qpim: Magnetic levitation Qpiy: Suspension system components Qpiyb: Ballast (Ships) Qpiyc: Ballast tanks Qpiyg: Pylons Qpiyn: Shock absorbers Qpiyp: Snubbers Qpiyr: Springs (Vehicles) Qpiyrd: Air springs Qpiyt: Stabilizers Qpj: Steering systems Qpjf: Four wheel steering Qpjp: Power steering Qpjy: Steering components Qpjyb: Ailerons Qpjyf: Flaps (Aircraft) Qpjyg: Flaperons Qpjyh: Handlebars Qpjyq: Rudders Qpjyr: Sails Qpjys: Steering columns Qpjyt: Steering gears Qpjyu: Steering wheels Qpjyw: Thrusters Qpjywb: Bow thrusters Qpk: Brakes Qpkb: Types of brakes Qpkbc: Air brakes Qpkbe: Antilock brake systems Qpkbj: Disc brakes Qpkbm: Eddy current brakes Qpkbp: Electric brakes Qpkbr: Friction brakes Qpkbt: Hydraulic brakes Qpkbw: Power brakes Qpkbx: Auxiliary brakes Qpkbxe: Emergency brakes Qpkbxp: Parking brakes Qpky: Brake components Qpkyb: Brake discs Qpkyd: Brake drums Qpkyf: Brake fluids Qpkyk: Brake linings Qpkym: Brake lines Qpkyp: Brake pads Qpkyr: Brake pedals Qpkys: Brake shoes Qpm: Tires and wheels Qpmt: Tires Qpmtb: Types of tires Qpmtbp: Types of tires by ply Qpmtbpb: Belted tires Qpmtbpe: Bias ply tires Qpmtbpr: Radial ply tires Qpmtbr: Retreaded tires Qpmtbs: Snow tires Qpmtbt: Studded tires Qpmty: Tire components Qpmtyc: Tire cords Qpmtyq: Tire sidewalls Qpmtys: Tire studs Qpmtyt: Tire treads Qpmw: Wheels Qpmwr: Wheel rims Qpmy: Landing gear Qpmys: Skids Qpmyu: Undercarriages Qpn: Fuel systems Qpnc: Carburetion Qpnf: Fuel injection Qpnfb: Air injection systems Qpnfe: Electronic fuel injection Qpny: Fuel system components Qpnyc: Carburetors Qpnyf: Fuel regulating devices Qpnyfb: Accelerators (Devices) Qpnyfc: Chokes Qpnyff: Cruise control Qpnyft: Throttles Qpnyn: Fuel storage and delivery devices Qpnynf: Fuel filters Qpnynj: Fuel injectors Qpnynp: Fuel pumps Qpnynt: Fuel tanks Qpnynv: Intake valves Qpo: Power trains Qpob: Vehicle drive systems Qpobb: Four wheel drive Qpobf: Front wheel drive Qpobr: Rear wheel drive Qpobw: Electric drives Qpox: Power train components Qpoxc: Clutches Qpoxd: Drivelines Qpoxdd: Drive shafts Qpoxdu: Universal joints Qpoxg: Gears Qpoxgd: Differentials (Gears) Qpoxge: Epicyclic gears Qpoxgp: Planetary gear trains Qpoxgs: Reduction gears Qpoxgy: Gear components Qpoxgys: Gearshifts Qpoxgyt: Gear teeth Qpoxt: Transmissions Qpoxtb: Automatic transmissions Qpoxtc: Continuously variable transmissions Qpoxth: Hydraulic transmissions Qpoxtm: Manual transmissions Qpp: Vehicle power plants Qppb: Auxiliary power units Qpq: Occupant protection devices Qpqr: Restraint systems Qpqrm: Manual safety belts Qpqrmk: Knee restraints Qpqrmp: Seat belts Qpqrmt: Shoulder harnesses Qpqrmu: Three point restraint systems Qpqrp: Passive restraint systems Qpqrpb: Air bags Qpqrpbs: Side air bags Qpqrpd: Automatic seat belts Qpqrpp: Deployable head restraints Qpqry: Child restraint systems Qpqryc: Child safety seats Qpqrycb: Booster seats Qpqt: Roll bars Qpqv: Vehicle padding Qpu: Vehicle electrical systems Qpuh: Audible warning devices in vehicles Qpuhh: Horns Qpuhs: Sirens Qpum: Vehicle lighting Qpumb: Vehicle lighting systems Qpumbj: Interior lighting Qpumbr: Rear lighting Qpumbs: Side lighting Qpumx: Vehicle lighting devices Qpumxb: Brake lamps Qpumxbh: High mounted brake lamps Qpumxd: Daytime running lamps Qpumxh: Headlamps Qpumxhf: Fog lamps Qpumxhh: High beamed headlamps Qpumxhm: Low beamed headlamps Qpumxs: Taillamps Qpumxt: Turn signals Qpup: Pantographs Qpv: Vehicle electronics Qpw: Emission control systems Qpwp: Positive crankcase ventilation systems Qpwx: Exhaust system components Qpwxb: Air injection reactors Qpwxe: Exhaust manifolds Qpwxf: Exhaust pipes Qpwxm: Mufflers Qpwy: Emission control devices Qpwyb: Afterburners Qpwyc: Catalytic converters Qpy: Vehicle accessories Qpyb: Antitheft devices Qpye: Event data recorders Qpym: License plates Qpys: Splash guard Qpyt: Tire chains Qpyu: Vehicle identification numbers Qpyv: Vehicle viewing aids Qpyvp: Periscopes Qpyvr: Rearview mirrors Qpyw: Windshield wipers Qpyx: Windshield washers Qt: Equipment Qtb: Types of equipment Qtba: Acoustic equipment Qtbab: Acoustic generators Qtbabe: Electroacoustic transducers Qtbad: Amplifiers Qtbag: In vehicle annunciators Qtbam: Microphones Qtbap: Public address systems Qtbat: Tape recorders Qtbc: Electrical equipment Qtbcb: Battery chargers Qtbcc: Brushes (Electricity) Qtbcd: Buses (Electricity) Qtbce: Capacitors Qtbcf: Circuit breakers Qtbcfc: Choppers (Electricity) Qtbcg: Converters (Electricity) Qtbcgf: Frequency converters Qtbcgq: Static converters Qtbcgs: Synchronous converters Qtbch: Electric cables Qtbci: Electric circuits Qtbcin: Rectifiers Qtbcir: Regenerators Qtbcit: Thermistors Qtbcj: Electric controllers Qtbck: Electric generators Qtbckh: Homopolar generators Qtbcm: Electrodes Qtbcme: Electrolytic cells Qtbcn: Insulators (Electricity) Qtbcp: Inverters Qtbcq: Modules (Electricity) Qtbcr: Relays (Electricity) Qtbcs: Resistors Qtbct: Sleeves (Electricity) Qtbcu: Sockets (Electricity) Qtbcv: Stators Qtbcw: Switches (Electricity) Qtbcwf: Flashers Qtbcws: Spark gaps Qtbcx: Vibrators (Electricity) Qtbcy: Voltage regulators Qtbe: Electronic equipment Qtbea: Analog to digital converters Qtbeb: Charge coupled devices Qtbec: Cryogenic devices Qtbed: Dampers (Electronics) Qtbee: Diodes Qtbeem: Light emitting diodes Qtbef: Electron tubes Qtbefc: Cathode ray tubes Qtbefv: Vacuum tubes Qtbeh: Electronic components Qtbei: Electronic controllers Qtbeip: PID controllers Qtbej: Integrated circuits Qtbejm: Microwave integrated circuits Qtbem: Microwave devices Qtbeo: Millimeter wave devices Qtbep: Pulse generators Qtbeq: Semiconductor devices Qtbeqc: CMOS devices Qtbes: Solid state devices Qtbet: Transistors Qtbf: Electromagnetic devices Qtbfb: Coaxial cables Qtbfd: Coils (Electromagnetism) Qtbff: Commutators Qtbfm: Magnets Qtbfme: Electromagnets Qtbfmes: Superconducting magnets Qtbfmp: Permanent magnets Qtbfp: Photocells Qtbfs: Solenoids Qtbfu: Transformers Qtbfuc: Autotransformers Qtbfw: Waveguides Qtbh: Hydraulic equipment Qtbhd: Deflectors Qtbhe: Electrohydraulic mechanisms Qtbm: Machines Qtbmb: Types of machines Qtbmbb: Auxiliary power plants Qtbmbc: Compressors Qtbmbcb: Air compressors Qtbmbe: Engines Qtbmbeb: Types of engines Qtbmbebb: Air engines Qtbmbebd: Engines by cycle Qtbmbebdb: Two stroke cycle engines Qtbmbebdf: Four stroke cycle engines Qtbmbebe: External combustion engines Qtbmbebem: Rankine engines Qtbmbebes: Steam engines Qtbmbebeu: Stirling engines Qtbmbebh: Heat engines Qtbmbebj: Internal combustion engines Qtbmbebjb: Compression ignition engines Qtbmbebjd: Diesel engines Qtbmbebjdm: Marine diesel engines Qtbmbebjg: Gasoline engines Qtbmbebjn: Otto cycle engines Qtbmbebjp: Piston engines Qtbmbebjr: Rotary engines Qtbmbebjs: Spark ignition engines Qtbmbebjt: Stratified charge engines Qtbmbebjw: Wankel engines Qtbmbebk: Jet engines Qtbmbebkp: Pulsejet engines Qtbmbebkr: Ramjet engines Qtbmbebt: Turbine engines Qtbmbebtf: Turbofan engines Qtbmbebtfm: Lift fans Qtbmbebtj: Turbojet engines Qtbmbebtp: Turboprop engines Qtbmber: Engine components Qtbmberc: Engine cooling systems Qtbmbercb: Engine air cooling systems Qtbmbercbf: Fans Qtbmbercbg: Fan belts Qtbmbercw: Engine water cooling systems Qtbmbercwr: Radiators Qtbmbercwrc: Radiator caps Qtbmbercww: Water pumps Qtbmbere: Engine electrical components Qtbmbereb: Alternators Qtbmberec: Condensers Qtbmberef: Distributors (Engines) Qtbmbereg: Engine regulators Qtbmberej: Engine starters Qtbmberen: Generators Qtbmbereq: Ignition systems Qtbmbereqj: Ignition coils Qtbmbereqr: Alcohol ignition interlock devices Qtbmbereqs: Ignition seat belt interlocks Qtbmberequ: Spark plugs Qtbmberk: Engine lubrication devices Qtbmberkp: Oil filters Qtbmberkr: Oil pumps Qtbmberm: Engine mechanical components Qtbmbermb: Cams Qtbmbermd: Camshafts Qtbmbermf: Combustors Qtbmbermfc: Combustion chambers Qtbmbermg: Connecting rods Qtbmbermh: Crankcases Qtbmbermj: Crankshafts Qtbmbermm: Engine bearings Qtbmbermn: Engine cylinders Qtbmbermnb: Cylinder blocks Qtbmbermnh: Cylinder heads Qtbmbermp: Engine mounts Qtbmbermr: Flywheels Qtbmbermt: Manifolds Qtbmbermv: Pistons (Engines) Qtbmbermvr: Piston rings Qtbmbermw: Superchargers Qtbmbermwx: Turbochargers Qtbmbermx: Thrust reversers Qtbmbermy: Valves Qtbmbermye: Exhaust valves Qtbmbex: Engine operation Qtbmbexd: Engine balance Qtbmbexg: Engine cycle Qtbmbexm: Engine displacement Qtbmbexp: Engine efficiency Qtbmbexr: Engine idling Qtbmbexs: Engine knock Qtbmbexv: Engine performance Qtbmbm: Motors Qtbmbmb: Alternating current motors Qtbmbmd: Direct current motors Qtbmbmj: Induction motors Qtbmbmm: Linear motors Qtbmbmmm: Linear induction motors Qtbmbmp: Reversible motors Qtbmbms: Synchronous motors Qtbmbmt: Asynchronous motors Qtbmbmw: Three phase motors Qtbmbp: Pumps Qtbmbpc: Centrifugal pumps Qtbmbpf: Fuel pumps Qtbmbpj: Jet pumps Qtbmbpje: Ejectors Qtbmbpm: Mud pumps Qtbmbpp: Oil pumps Qtbmbps: Suction pumps Qtbmbpu: Sump pumps Qtbmbpw: Waterjets Qtbmbt: Turbines Qtbmbtg: Gas turbines Qtbmbtk: Hydraulic turbines Qtbmbtm: Steam turbines Qtbmy: Machinery Qtbmyd: Bearings Qtbmyda: Antifriction bearings Qtbmydg: Gas bearings Qtbmydj: Journal bearings Qtbmydjb: Journal boxes Qtbmyds: Shaft bearings Qtbmydsr: Roller bearings Qtbmydt: Thrust bearings Qtbmyh: Blades (Machinery) Qtbmyhv: Vanes (Machinery) Qtbmyj: Fittings Qtbmym: Governors (Devices) Qtbmyq: Shafts (Machinery) Qtbmyqc: Cardan shafts Qtbmyt: Torque converters Qtbmyx: Valves Qtbmyxd: Dampers Qtbmyxp: Pressure relief valves Qtbmyxv: Safety valves Qtbn: Nuclear reactors Qtbnb: Types of nuclear reactors Qtbnbt: Thermal reactors Qtbnbw: Water cooled reactors Qtbnp: Nuclear reactor components Qtbnpc: Nuclear reactor cores Qtbnpf: Fuel elements Qtbp: Optical devices Qtbpm: Lasers Qtbpp: Lenses (Optics) Qtbppc: Contact lenses Qtbppe: Eyeglasses Qtbps: Mirrors Qtbpsc: Convex mirrors Qtbpsp: Plane mirrors Qtbpt: Night vision devices Qtbpu: Optical systems Qtbr: Pneumatic equipment Qtbs: Portable equipment Qtp: Equipment by end use Qtpa: Agricultural equipment Qtpap: Plows (Agriculture) Qtpb: Construction and maintenance equipment Qtpbc: Construction equipment Qtpbcb: Compactors Qtpbcbr: Rollers Qtpbcbrr: Road rollers Qtpbcbrrt: Tandem rollers Qtpbcbrs: Sheepsfoot rollers Qtpbce: Crushers Qtpbcg: Drilling machines Qtpbcgc: Cable systems Qtpbcj: Excavating equipment Qtpbcjb: Backhoes Qtpbcjc: Crawler tractors Qtpbcjcb: Bulldozers Qtpbcjf: Draglines Qtpbcjm: Dredges Qtpbck: Graders Qtpbcm: Mixers Qtpbcmc: Concrete mixers Qtpbcmp: Pug mills Qtpbcp: Pile hammers Qtpbcr: Roadbuilding machinery Qtpbcrp: Pavers Qtpbcrps: Slip form pavers Qtpbcrr: Road rollers Qtpbcrs: Screeds Qtpbcs: Spreaders Qtpbct: Tunneling machines Qtpbctb: Tunnel borers Qtpbcv: Vibratory equipment Qtpbm: Maintenance equipment Qtpbmd: Deicers (Equipment) Qtpbmm: Mowers Qtpbmq: Shadow vehicles Qtpbms: Snowplows Qtpe: Cleaning equipment Qtped: Air cleaners Qtpedb: Air filters Qtpedc: Cyclone separators Qtpedd: Dust filters Qtpede: Electrostatic precipitators Qtpeds: Scrubbers Qtpep: Oil recovery equipment Qtpepp: Oil booms Qtpes: Sweepers Qtpev: Vacuum cleaners Qtpf: Energy storage devices Qtpfb: Electric batteries Qtpfbb: Batteries by chemical elements Qtpfbba: Aluminum air batteries Qtpfbbj: Lead acid batteries Qtpfbbm: Lithium batteries Qtpfbbms: Lithium sulfur batteries Qtpfbbn: Nickel batteries Qtpfbbnc: Nickel cadmium batteries Qtpfbbnj: Nickel iron batteries Qtpfbbny: Nickel zinc batteries Qtpfbbs: Sodium sulfur batteries Qtpfbby: Zinc chloride batteries Qtpfbp: Primary batteries Qtpfbs: Storage batteries Qtpfby: Battery parts Qtpfbyb: Anodes Qtpfbyc: Cathodes Qtpfbye: Battery electrodes Qtpfbyec: Charge collectors Qtpfbyh: Battery separators Qtpff: Fuel cells Qtpfh: Hydraulic accumulators Qtpfs: Solar collectors Qtpfss: Solar cells Qtph: Handling and conveying equipment Qtphc: Cargo handling equipment Qtphch: Hand trucks Qtphchd: Dollies Qtphcm: Loaders Qtphcu: Unloaders Qtphcuc: Car dumpers Qtphd: Catapults Qtphe: Conveyors Qtpheb: Belt conveyors Qtphep: Pneumatic conveyors Qtphes: People movers Qtphh: Hoses and nozzles Qtphhh: Hoses Qtphhhw: Water cannons Qtphhn: Nozzles Qtphm: Lifting equipment Qtphmb: Booms (Lifting equipment) Qtphmc: Cranes Qtphmcf: Floating cranes Qtphmcm: Mobile cranes Qtphmd: Derricks Qtphmf: Fork lifts Qtphmh: Hoists Qtphmj: Jacks (Mechanical equipment) Qtphmjh: Hydraulic jacks Qtphmp: Pallets Qtphms: Slings Qtphmv: Winches Qtphmw: Wheelchair lifts Qtpk: Containing equipment Qtpka: Bags Qtpkb: Boxes Qtpkc: Casks Qtpke: Containers Qtpkg: Drums (Containers) Qtpkk: Gabions Qtpkm: Hoppers Qtpkn: Pressure vessels Qtpkp: Process vessels Qtpkpc: Coalescers Qtpkt: Tanks (Containers) Qtpktb: Ballast tanks Qtpkts: Septic tanks Qtpm: Heating, cooling and ventilation equipment Qtpmc: Cooling equipment Qtpmcc: Air conditioners Qtpmcr: Refrigerators Qtpmh: Heating equipment Qtpmhb: Boilers Qtpmhbc: Parts of boilers Qtpmhbcb: Air preheaters Qtpmhbcd: Boiler tubes Qtpmhbcde: Economizers Qtpmhbcf: Feedwater heaters Qtpmhc: Burners Qtpmhcp: Oil burners Qtpmhd: Driers (Devices) Qtpmhe: Evaporators Qtpmhf: Furnaces Qtpmhfb: Blast furnaces Qtpmhh: Heat transfer devices Qtpmhhe: Heat exchangers Qtpmhhp: Heat pipes Qtpmhhs: Heat sinks Qtpmhk: Heaters Qtpmhkw: Water heaters Qtpmhm: Incinerators Qtpmhp: Ovens Qtpmhpb: Cement kilns Qtpmhpd: Drying ovens Qtpmv: Ventilation equipment Qtpmvb: Air intakes Qtpmvc: Defoggers Qtpmve: Defrosters Qtpmvf: Fans Qtpmvv: Ventilators Qtpn: Lighting equipment Qtpnm: Lamps Qtpnme: Electric lamps Qtpnmef: Fluorescent lamps Qtpnmefv: Vacuum fluorescent lamps Qtpnmej: Incandescent lamps Qtpnmem: Mercury vapor lamps Qtpnmes: Sodium vapor lamps Qtpnmn: Lanterns Qtpo: Furniture Qtpoc: Consoles Qtpos: Seats Qtpr: Photographic equipment Qtprc: Cameras Qtprcc: CCD cameras Qtprcf: Digital cameras Qtprcr: Stereoscopic cameras Qtprct: Television cameras Qtprcv: Video cameras Qtprf: Flash lamps Qtprv: Videotape recorders Qtps: Safety equipment Qtpsb: Barricades Qtpsc: Protective clothing Qtpscb: Buckles (Fasteners) Qtpscg: Goggles Qtpsch: Safety hats Qtpschh: Helmets Qtpschhb: Bicycle helmets Qtpschhm: Motorcycle helmets Qtpscs: Sunglasses Qtpse: Emergency equipment Qtpseb: Alarm systems Qtpsed: Breathing apparatus Qtpsef: Fire fighting equipment Qtpseff: Fire extinguishers Qtpseh: Flares Qtpser: Rescue equipment Qtpserm: Life preservers Qtpsew: Warning devices Qtpsm: Medical equipment Qtpsmf: First aid equipment Qtpsmp: Oxygen equipment Qtpst: Training devices Qtpsts: Training simulators Qtpstsd: Driving simulators Qtpstsf: Flight simulators Qtpstsr: Railroad simulators Qtpstss: Ship simulators Qtpt: Tools Qtptb: Augers Qtptc: Chisels Qtptcg: Gouges Qtptd: Clamps Qtpte: Cutting tools Qtptes: Shears (Tools) Qtptg: Drills Qtptgd: Drill bits Qtptj: Grinders Qtptk: Hammers Qtptm: Machine tools Qtptmm: Lathes Qtptms: Sanders Qtptp: Planers Qtptr: Saws Qtptt: Screwdrivers Qtptv: Sprayers Qtptvs: Spray guns Qtpu: Securing and joining equipment Qtpub: Anchors (Mooring devices) Qtpuc: Anchor windlasses Qtpud: Anchors (Structural connectors) Qtpuf: Arrester wires Qtpuh: Couplers Qtpuj: Drawbars Qtpuk: Flanges Qtpum: Gaskets Qtpur: Mooring cables Qtput: Rings (Devices) Qtpuv: Seals (Devices) Qtpuvp: Oil seals Qtpuw: Tiedowns Qtpuy: Towing devices Qtpuyh: Hitches Qtpv: Vending equipment Qtpvt: Ticket vending machines Qtpx: Data processing equipment Qtpxc: Calculators Qtpxm: Computers Qtpxmb: Types of computers Qtpxmbb: Analog computers Qtpxmbbn: Network analyzers Qtpxmbc: Digital computers Qtpxmbe: Embedded systems Qtpxmbg: Supercomputers Qtpxmbj: Mainframe computers Qtpxmbn: Minicomputers Qtpxmbp: Microcomputers Qtpxmbpc: Personal computers Qtpxmbpch: Handheld computers Qtpxmbpcm: Laptop computers Qtpxmbr: Personal digital assistants Qtpxmbs: Word processors Qtpxmbv: Automotive computers Qtpxmp: Computer components Qtpxmpb: Central processing units (Computers) Qtpxmpbb: Circuit boards (Computers) Qtpxmpbc: Motherboards Qtpxmpbd: Computer memory Qtpxmpbdp: Random access memory Qtpxmpbds: Read only memory Qtpxmpbm: Logic circuits Qtpxmpe: Computer chips Qtpxmpem: Microprocessors Qtpxmpg: Hard disks Qtpxmpk: Keyboards Qtpxmpp: Printers Qtpxmpq: Video display terminals Qtpxmpr: Visual display units (Computers) Qtpxmps: Mice (Computers) Qtpxmpv: Joysticks (Computers) Qtpxmpx: Input output devices Qtpxp: Data plotters Qtpxr: Data recorders Qtpxs: Scanners Qtpy: Weapons Qtpyb: Bombs Qtpyg: Guns Qtpygf: Firearms Qtpym: Weapons of mass destruction Qtpymb: Biological and chemical weapons Qtpymn: Nuclear weapons Qtpyo: Mines (Weapons) Qts: Assemblies (Equipment) Qtss: Subassemblies Qtssc: Components Qtssh: Housings Qtssp: Parts Qtssps: Spare parts Qv: Equipment characteristics Qvd: Defects Qvf: Mechanical failure Qvfd: Degradation failures Qvfm: Leakage Qvfmb: Blowby Qvfms: Slippage (Leakage) Qvfv: Vapor lock Qvm: Mechanical loads Qvp: Performance Qvr: Reliability Qvs: Maintainability Qvt: Tolerances (Engineering) R: Materials Rb: Classes of materials Rbb: States of matter Rbbb: Solids Rbbf: Fluids Rbbfb: Bubbles Rbbfh: Hydraulic fluids Rbbfj: Inviscid fluids Rbbfm: Liquids Rbbfmm: Liquefied gases Rbbfmp: Mist Rbbfs: Gases Rbbfsj: Noble gases Rbbfsv: Vapors Rbbfsvc: Condensate Rbbfsvd: Distillates Rbbfv: Viscous fluids Rbc: Chemicals Rbcb: Molecular structure Rbcbb: Atoms Rbcbbs: Subatomic particles Rbcbbsb: Atomic nucleus Rbcbbse: Electrons Rbcbbsn: Neutrons Rbcbbsp: Protons Rbcbf: Ions Rbcbfg: Anions Rbcbfm: Cations Rbcbs: Isotopes Rbcbsr: Radioisotopes Rbcbv: Molecules Rbcbvm: Monomers Rbce: Chemical elements Rbceb: Classes of chemical elements Rbcebb: Alkali metals Rbcebh: Halogens Rbcebn: Nonmetals Rbcebr: Trace elements Rbcebt: Transuranium elements Rbcef: Chemical elements by group and name Rbcefb: Group I elements Rbcefbd: Hydrogen Rbcefbdd: Deuterium Rbcefbdt: Tritium Rbcefbm: Lithium Rbcefbs: Sodium Rbcefc: Group II elements Rbcefcb: Barium Rbcefcd: Beryllium Rbcefcm: Calcium Rbcefcq: Magnesium Rbcefd: Transition elements Rbcefdb: Cadmium Rbcefdc: Chromium Rbcefdd: Cobalt Rbcefde: Copper Rbcefdf: Gold Rbcefdg: Iron Rbcefdh: Manganese Rbcefdj: Mercury Rbcefdk: Molybdenum Rbcefdm: Nickel Rbcefdn: Palladium Rbcefdo: Platinum Rbcefdp: Potassium Rbcefdq: Silver Rbcefdr: Titanium Rbcefds: Tungsten Rbcefdu: Vanadium Rbcefdv: Zinc Rbcefdw: Zirconium Rbcefe: Group III elements Rbcefem: Aluminum Rbcefer: Boron Rbceff: Group IV elements Rbceffc: Carbon Rbceffm: Lead (Metal) Rbceffs: Silicon Rbcefft: Tin Rbcefg: Group V elements Rbcefgn: Nitrogen Rbcefgnc: Liquid nitrogen Rbcefgp: Phosphorus Rbcefh: Group VI elements Rbcefhm: Oxygen Rbcefhmn: Ozone Rbcefhr: Selenium Rbcefhs: Sulfur Rbcefj: Group VII elements Rbcefjb: Bromine Rbcefjc: Chlorine Rbcefjf: Fluorine Rbcefjj: Iodine Rbcefk: Group 0 elements Rbcefkh: Helium Rbcefkr: Radon Rbcefkx: Xenon Rbcefm: Actinides Rbcefmp: Plutonium Rbcefmu: Uranium Rbcg: Chemical compounds Rbcgc: Chemical compounds by primary element or compound Rbcgcb: Alkali metal compounds Rbcgcc: Aluminum compounds Rbcgcd: Ammonium compounds Rbcgce: Calcium compounds Rbcgcf: Carbonates Rbcgcg: Chlorine compounds Rbcgcgd: Chlorides Rbcgch: Halides Rbcgcj: Hydrates Rbcgck: Hydroxides Rbcgcm: Iron compounds Rbcgcn: Lead compounds Rbcgcp: Lithium compounds Rbcgcq: Magnesium compounds Rbcgcr: Nitrogen compounds Rbcgcrc: Nitrates Rbcgcrf: Nitrites Rbcgcs: Oxides Rbcgct: Phosphates Rbcgcu: Silicon compounds Rbcgcv: Sodium compounds Rbcgcw: Sulfur compounds Rbcgcwc: Polysulfides Rbcgcwf: Sulfates Rbcgcwh: Sulfides Rbcgcwk: Sulfites Rbcgcwn: Sulfonates Rbcgn: Inorganic compounds Rbcgnb: Aluminum inorganic compounds Rbcgnbd: Alumina Rbcgnbm: Aluminates Rbcgnbr: Aluminum oxide Rbcgnc: Ammonia Rbcgne: Calcium inorganic compounds Rbcgneb: Calcium carbonate Rbcgned: Calcium chloride Rbcgneg: Calcium hydroxide Rbcgnej: Calcium nitrite Rbcgnem: Calcium oxide Rbcgnep: Calcium silicate Rbcgnepp: Tricalcium silicate Rbcgnept: Tobermorite Rbcgner: Calcium sulfates Rbcgnet: Tricalcium aluminate Rbcgnf: Carbon inorganic compounds Rbcgnff: Carbides Rbcgnfm: Carbon dioxide Rbcgnfq: Carbon monoxide Rbcgng: Chlorites Rbcgnh: Cyanides Rbcgnj: Fluorides Rbcgnk: Hydrogen inorganic compounds Rbcgnkb: Hydrazine Rbcgnkf: Hydrides Rbcgnkh: Hydrochloric acid Rbcgnkp: Hydrogen peroxide Rbcgnkt: Hydrogen sulfide Rbcgnm: Iron inorganic compounds Rbcgnmf: Ferrites Rbcgnmp: Ferrous sulfide Rbcgnmt: Iron oxides Rbcgnp: Lithium chloride Rbcgnq: Magnesium chloride Rbcgnr: Nitrogen inorganic compounds Rbcgnrd: Inorganic nitrates Rbcgnrm: Nitric acid Rbcgnrr: Nitric oxide Rbcgnru: Nitrogen oxides Rbcgnrun: Nitrogen dioxide Rbcgns: Phosphorus inorganic compounds Rbcgnsk: Inorganic phosphates Rbcgnsp: Phosphoric acid Rbcgnt: Potassium chloride Rbcgnu: Silicon inorganic compounds Rbcgnuc: Silane Rbcgnuf: Silica gel Rbcgnuh: Silicates Rbcgnum: Silicon carbide Rbcgnup: Silicon dioxide Rbcgnut: Silicon nitride Rbcgnv: Sodium inorganic compounds Rbcgnvc: Sodium carbonate Rbcgnvg: Sodium chloride Rbcgnvk: Sodium hydroxide Rbcgnvp: Sodium silicate Rbcgnvs: Sodium sulfate Rbcgny: Sulfur inorganic compounds Rbcgnym: Sulfur oxides Rbcgnymm: Sulfur dioxide Rbcgnyt: Sulfuric acid Rbcgnz: Uranium inorganic compounds Rbcgnzm: Uranyl acetate Rbcgr: Organic compounds Rbcgrb: Groups of organic compounds Rbcgrbb: Acetates Rbcgrbc: Alcohols Rbcgrbcd: Carbinols Rbcgrbd: Aldehydes Rbcgrbe: Aliphatic compounds Rbcgrbf: Amides Rbcgrbg: Amines Rbcgrbh: Aromatic compounds Rbcgrbhp: Polar aromatic compounds Rbcgrbj: Carbohydrates Rbcgrbk: Chlorine organic compounds Rbcgrbm: Epoxides Rbcgrbn: Esters Rbcgrbp: Ethers Rbcgrbq: Ethylenes Rbcgrbr: Glycols Rbcgrbs: Halogenated compounds Rbcgrbt: Hydrocarbons Rbcgrbtb: Aromatic hydrocarbons Rbcgrbtm: Olefins Rbcgrbts: Polyvinyl hydrocarbons Rbcgrbu: Ketones Rbcgrbv: Organometallic compounds Rbcgrbw: Polycarbonates Rbcgrby: Styrenes Rbcgrr: Individual organic compounds Rbcgrrb: Acetic acid Rbcgrrc: Benzene Rbcgrrd: Butadiene Rbcgrrds: Styrene butadiene styrene Rbcgrre: Butane Rbcgrrf: Calcium magnesium acetate Rbcgrrg: Carbene Rbcgrrh: Ethanol Rbcgrrj: Ethylene glycol Rbcgrrk: Formaldehyde Rbcgrrl: Methane Rbcgrrm: Methanol Rbcgrrn: Methyl methacrylate Rbcgrro: Phenol Rbcgrrp: Polymethyl methacrylate Rbcgrrq: Polypropylene Rbcgrrr: Polystyrene Rbcgrrs: Polytetrafluoroethylene Rbcgrrt: Polyvinyl acetate Rbcgrru: Polyvinyl chloride Rbcgrrv: Tetraethyl lead Rbcgrrw: Toluene Rbcgrrx: Urea Rbcgrry: Urethane Rbcgs: Salts Rbcgsn: Inorganic salts Rbcgsr: Organic salts Rbcgss: Soluble salts Rbct: Chemical substances Rbcta: Accelerators (Materials) Rbctb: Anodic materials Rbctbs: Sacrificial anodes Rbctd: Catalysts Rbctdm: Monolithic catalysts Rbctdp: Oxidation catalysts Rbctds: Pelleted catalysts Rbctf: Extenders Rbctg: Flocculating agents Rbcth: Flotation agents Rbctk: Inhibitors (Chemistry) Rbctkb: Antioxidants Rbctkr: Retarders (Chemistry) Rbctkrc: Retarders (Concrete) Rbctm: Mixtures Rbctma: Additives Rbctmb: Blends Rbctmc: Colloidal systems Rbctmcc: Colloids Rbctmcg: Gels Rbctmd: Dispersions (Chemistry) Rbctmdd: Dispersers Rbctmde: Emulsions Rbctmdq: Smoke Rbctmds: Sprays (Materials) Rbctmf: Formulations Rbctmq: Solutions (Chemistry) Rbctmqd: Dissolved gases Rbctmqe: Electrolytes Rbctmqm: Leachate Rbctmqr: Solvents Rbctmqrb: Organic solvents Rbctms: Suspensions (Chemistry) Rbctmsb: Aerosols Rbctmsf: Free water Rbctmss: Slurry Rbctmssb: Bentonite slurry Rbctp: Oxidizing agents Rbctpp: Photochemical oxidants Rbctr: Chemical substances by pH Rbctrb: Acids Rbctrg: Bases (Chemistry) Rbctrgb: Alkali Rbcts: Polymers Rbctsf: Copolymers Rbctt: Reagents Rbctv: Tracers (Chemistry) Rbcty: Wetting agents Rbd: Water Rbdb: Water phases Rbdbf: Ice Rbdbk: Slush Rbdbn: Snow Rbdbt: Water vapor Rbdm: Water by salt content Rbdmf: Fresh water Rbdmfd: Drinking water Rbdms: Seawater Rbe: Natural earth crust materials Rbeb: Deposits (Geology) Rbebb: Alluvium Rbebf: Colluvium Rbebk: Lacustrine deposits Rbebl: Lenses (Geology) Rbebm: Marine deposits Rbebn: Mineral deposits Rbebo: Organic deposits Rbebp: Talus Rbebq: Till Rbebr: Moraines Rbebs: Sediments Rbebv: Volcanic deposits Rbed: Weathered earth crust materials Rbedn: Laterites Rbep: Parent materials Rber: Rocks Rberb: Lithologic composition Rberbc: Rock core Rberbp: Pores (Geology) Rberbps: Pore space Rberg: Igneous rocks Rbergb: Alkalic rock Rbergc: Basalt Rbergd: Dolerite Rbergg: Gabbro Rbergn: Granite Rbergp: Porphyry Rbergt: Trap rock Rbergv: Volcanic rock Rbergvp: Pumice Rberh: Sedimentary rocks Rberhb: Arenites Rberhc: Calcretes Rberhd: Chalks Rberhf: Cherts Rberhg: Clastic rocks Rberhh: Conglomerates (Geology) Rberhj: Dolomite Rberhm: Limestone Rberhp: Mudstones Rberhr: Oil shales Rberht: Sandstones Rberhu: Shale Rberhv: Silica stone Rberhy: Siltstones Rberm: Metamorphic rocks Rbermg: Gneiss Rbermj: Illites Rbermm: Marble Rbermq: Quartzite Rberms: Schist Rbermt: Slate Rberp: Ores Rberpb: Bauxite Rberpr: Iron ores Rberr: Minerals Rberra: Amber Rberrb: Asbestos Rberrc: Calcites Rberrd: Carbonate rocks Rberre: Chromates Rberrf: Clay minerals Rberrfb: Bentonite Rberrfh: Halloysite Rberrfk: Kaolin Rberrfkk: Kaolinite Rberrfm: Montmorillonite Rberrfv: Vermiculite Rberrg: Diamonds Rberrh: Ettringite Rberrj: Feldspar Rberrk: Flint Rberrm: Graphite Rberrn: Gypsum Rberrp: Halite Rberrq: Mica Rberrr: Phosphate rock Rberrs: Pyrite Rberrt: Quartz Rberrtr: Rock crystals Rberrtrp: Prisms Rberrv: Silica Rberrvp: Opals Rbers: Coal Rbersb: Anthracite Rbersd: Bituminous coal Rbersm: Lignite Rberss: Subbituminous coal Rbert: Rocks by properties Rbertb: Bedrock Rbertc: Boulders Rbertd: Breccia Rbertf: Crystalline rocks Rberth: Decomposed rock Rberthi: Drift Rbertj: Fractured rock Rbertm: Manganese nodules Rbertp: Organic rocks Rbertq: Overburdens Rbertr: Soft rock Rberts: Strata Rbertt: Weak rock Rbertw: Weathered rock Rbes: Soils Rbesb: Soil components Rbesbb: Soil air Rbesbp: Soil particles Rbesbw: Groundwater Rbesbwc: Capillary water Rbesbwp: Phreatic water Rbesbws: Soil water Rbesbwv: Vadose water Rbesc: Soil series Rbesf: Soil groups Rbesfc: Cohesive soils Rbesfg: Granular soils Rbesg: Soil types Rbesgc: Clay soils Rbesgcb: Clay water systems Rbesgce: Expansive clays Rbesgcj: Marine clays Rbesgck: Marl Rbesgcm: Pozzolan Rbesgcn: Sandy clays Rbesgcp: Sensitive clays Rbesgcr: Silty clays Rbesgct: Soft clays Rbesgcv: Varved clays Rbesgd: Cobbles Rbesgg: Gravel Rbesggg: Gravelly soils Rbesggk: Lateritic gravels Rbesggs: Sandy gravels Rbesgs: Sand Rbesgsb: Asphaltic sand Rbesgsd: Beach sands Rbesgsf: Bituminous sands Rbesgsh: Dune sands Rbesgsp: Sand deposits Rbesgsq: Sandy soils Rbesgsr: Silica sands Rbesgss: Silty sands Rbesgst: Tar sands Rbesgt: Silts Rbesgtk: Loess Rbesgtm: Silty loams Rbesj: Soil deposits Rbesjr: Residual soils Rbesjs: Suspended sediments Rbesjv: Volcanic ash Rbesm: Soils by place Rbesmg: Glacial soils Rbesmk: Lacustrine soils Rbesmm: Marine soils Rbesmp: Ocean bottom soils Rbesp: Soils by properties Rbespb: Soils by chemical content or action Rbespbb: Acid soils Rbespbc: Calcareous soils Rbespbcb: Black cotton soils Rbespbd: Corrosive soils Rbespbj: Lateritic soils Rbespbk: Limestone soils Rbespbm: Micaceous soils Rbespbs: Saline soils Rbespc: Soils by consistency Rbespcp: Plastic soils Rbespcs: Soft soils Rbespd: Soils by density Rbespdd: Dense soils Rbespdm: Loose soils Rbespf: Soils by frost condition or potential Rbespfd: Frost heaving soils Rbespff: Frost susceptible soil Rbespfh: Frozen soils Rbespfhs: Seasonally frozen ground Rbespfp: Permafrost Rbespg: Soils by grain size and distribution Rbespgc: Coarse grained soils Rbespgf: Fine grained soils Rbespgh: Homogeneous soils Rbesph: Soil horizon Rbesphs: Subsoil Rbespht: Topsoil Rbesphtt: Turf Rbesphy: Soil profiles Rbespm: Soils by moisture content or potential Rbespmb: Air dried soil Rbespmm: Mud Rbespms: Saturated soils Rbespmt: Sludge (Deposit) Rbespmv: Swelling soils Rbespmy: Unsaturated soils Rbespmz: Vertisols Rbespn: Soils by organic content Rbespnh: Humus Rbespnm: Loam Rbespnn: Organic soils Rbespnp: Peat Rbespnq: Peat soils Rbespp: Soils by permeability Rbesppk: Impervious soils Rbesppp: Pervious soils Rbesps: Soils by strength Rbespsc: Collapsible soils Rbespsf: Compressible soils Rbespsu: Unstable soil Rbespt: Soil structure Rbesptm: Layered soils Rbesptu: Unconsolidated soils Rbeu: Petroleum Rbeug: Petroleum gases Rbeugn: Natural gas Rbeum: Petroleum liquids Rbeumc: Crude oil Rbeumm: Maltha Rbeus: Petroleum solids Rbeusb: Asphalt Rbeusbf: Asphalt rock Rbeusbt: Trinidad asphalt Rbeush: Bitumen Rbeusp: Tar Rbf: Fuels Rbfc: Fuel composition Rbfcb: Fuel additives Rbfcbb: Antiknock compounds Rbfcbbt: Tetraethyl lead Rbfcbp: Oxidizers Rbfce: Fuel emulsions Rbfcm: Fuel mixtures Rbfd: Alcohol fuels Rbfdm: Methanol fuels Rbfe: Biomass fuels Rbff: Fossil fuels Rbffe: Coal fuels Rbffed: Coal gas Rbffp: Petroleum fuels Rbffpk: Kerosene Rbffpn: Natural gas Rbffpnc: Compressed natural gas Rbffpnm: Liquefied natural gas Rbffpp: Liquefied petroleum gas Rbfh: Hydrogen fuels Rbfhm: Liquid hydrogen Rbfn: Nuclear fuels Rbfns: Spent reactor fuels Rbfp: Fuels by properties Rbfpb: Alternate fuels Rbfpc: Clean fuels Rbfpd: Fuel air mixtures Rbfpe: Fuel gas Rbfpg: Fuel oils Rbfpj: Lean fuel mixtures Rbfpm: Liquid fuels Rbfpr: Residual fuels Rbfps: Synthetic fuels Rbfpu: Unburned fuels Rbfu: Fuels by end use Rbfub: Aviation fuels Rbfubb: Aircraft fuels Rbfubbj: Jet engine fuels Rbfug: Gas turbine fuels Rbfum: Motor fuels Rbfumd: Diesel fuels Rbfumdb: Biodiesel fuels Rbfumg: Gasoline Rbfumgg: Gasohol Rbfumgm: Leaded gasoline Rbfumgu: Unleaded gasoline Rbfumgx: Reformulated gasoline Rbfus: Spacecraft fuels Rbfusp: Propellants Rbj: Air Rbjc: Compressed air Rbm: Building materials Rbmd: Building materials by properties Rbmdb: Engineering soils Rbmdbb: Backfill soils Rbmdbc: Cement treated soils Rbmdbcs: Soil cement Rbmdbe: Compacted soils Rbmdbec: Compacted clays Rbmdbf: Drained soil Rbmdbh: Foundation soils Rbmdbi: Membrane encapsulated soil layers Rbmdbj: Reinforced earth Rbmdbm: Remolded soils Rbmdbmc: Remolded clay soils Rbmdbs: Soil lime mixtures Rbmdd: Aggregates, rock and stone Rbmddc: Aggregates Rbmddcc: Aggregates by source Rbmddccb: Artificial aggregates Rbmddccbe: Expanded clay aggregates Rbmddccbg: Expanded shale aggregates Rbmddccbm: Lightweight aggregates Rbmddccbs: Slag coarse aggregates Rbmddccn: Natural aggregates Rbmddccnb: Basalt coarse aggregates Rbmddccnm: Limestone aggregates Rbmddccnn: Mineral aggregates Rbmddccnv: Volcanic aggregates Rbmddcf: Aggregates by gradation Rbmddcfc: Continuously graded aggregates Rbmddcfd: Dense graded aggregates Rbmddcfg: Gap graded aggregates Rbmddcfp: Open graded aggregates Rbmddcj: Aggregates by shape and surface texture Rbmddcjc: Coarse aggregates Rbmddcjf: Fine aggregates Rbmddcjj: Interlocking aggregates Rbmddcjr: Rounded aggregates Rbmddcm: Aggregates by relationship to concrete Rbmddcmd: Deleterious materials Rbmddcmr: Reactive aggregates Rbmddcp: Aggregates by treatment Rbmddcpc: Calcined aggregates Rbmddcpf: Crushed aggregates Rbmddcpj: Crusher run aggregates Rbmddcpp: Precoated aggregates Rbmddcs: Aggregate mixtures Rbmddcsb: Bituminous aggregates Rbmddcsc: Concrete aggregates Rbmddcss: Soil aggregates Rbmddr: Rock in building Rbmddrc: Chippings Rbmddrcc: Coated chippings Rbmddrj: Crushed rock Rbmddrjm: Crushed limestone Rbmddt: Stone Rbmddtp: Paving stones Rbmddv: Consolidated aggregates, rock and stone Rbmddvb: Ballast (Railroads) Rbmddvbb: Asphalt ballast Rbmddvbs: Subballast Rbmddvm: Macadam Rbmddvmb: Bituminous macadam Rbmddvmp: Penetration macadam Rbmddvmw: Water bound macadam Rbmdf: Ceramic materials Rbmdfb: Brick Rbmdfc: Cement Rbmdfcb: Air entraining cement Rbmdfcd: Aluminous cement Rbmdfcf: Asbestos cement Rbmdfch: Expansive cement Rbmdfcj: Gypsum cement Rbmdfcm: High early strength cement Rbmdfcp: Hydraulic cement Rbmdfcr: Lime cement Rbmdfct: Portland cement Rbmdfctp: Portland pozzolan cement Rbmdfcu: Slag cement Rbmdfcx: Sulfate resisting cement Rbmdfcy: Cement additives Rbmdfcyt: Tobermorite Rbmdfe: Cermets Rbmdfk: Clay Rbmdfke: Expanded clay Rbmdfkv: Vitrified clay Rbmdfm: Glass Rbmdfmb: Glass beads Rbmdfms: Safety glass Rbmdfmsn: Nonshattering glass Rbmdfmst: Tempered glass Rbmdfmu: Tinted glass Rbmdfmw: Window glass Rbmdfp: Plaster Rbmdfs: Stucco Rbmdh: Composite materials Rbmdhb: Types of composites Rbmdhbf: Fiber composites Rbmdhbfg: Fiberglass Rbmdhbp: Concrete plastic composites Rbmdhc: Concrete Rbmdhcb: Types of concrete Rbmdhcbb: Air entrained concrete Rbmdhcbc: Cast in place concrete Rbmdhcbd: Cellular concrete Rbmdhcbe: Expansive concrete Rbmdhcbf: Fresh concrete Rbmdhcbg: High performance concrete Rbmdhcbgs: High strength concrete Rbmdhcbh: Lean concrete Rbmdhcbhe: Econocrete Rbmdhcbj: Lightweight concrete Rbmdhcbk: Mass concrete Rbmdhcbm: Microconcrete Rbmdhcbn: Porous concrete Rbmdhcbo: Portland cement concrete Rbmdhcbp: Precast concrete Rbmdhcbq: Prestressed concrete Rbmdhcbr: Pumped concrete Rbmdhcbrs: Shotcrete Rbmdhcbs: Ready mixed concrete Rbmdhcbt: Reinforced concrete Rbmdhcbtc: Confined concrete Rbmdhcbtt: Tied concrete Rbmdhcbu: Roller compacted concrete Rbmdhcbv: Self compacting concrete Rbmdhcbw: Tremie concrete Rbmdhcbx: Unreinforced concrete Rbmdhcj: Curing and setting agents Rbmdhcjc: Air entraining agents Rbmdhcjf: Accelerating agents Rbmdhcjj: Curing agents Rbmdhcjr: Retarders (Concrete) Rbmdhcjw: Water reducing agents Rbmdhcm: Admixtures Rbmdhcmg: Fiber reinforced concrete Rbmdhcmgf: Glass fiber reinforced concrete Rbmdhcmp: Polymer concrete Rbmdhcmpk: Latex modified concrete Rbmdhcu: Air voids Rbmdhcuf: Entrained air Rbmdhcur: Entrapped air Rbmdhcw: Water in concrete Rbmdhcwm: Concrete mixing water Rbmdhcwp: Pore water Rbmdhf: Ferrocement Rbmdk: Metals Rbmdkb: Types of metals Rbmdkbb: Base metal Rbmdkbbh: Heat affected zone (Metals) Rbmdkbc: Cast iron Rbmdkbd: Clad metals Rbmdkbe: Corrugated metals Rbmdkbeb: Corrugated aluminum Rbmdkbes: Corrugated steel Rbmdkbf: Die castings Rbmdkbg: Galvanized metals Rbmdkbh: Heavy metals Rbmdkbm: Light metals Rbmdkbt: Steel castings Rbmdkbw: Weld metal Rbmdkd: Alloys Rbmdkdb: Aluminum alloys Rbmdkdc: Copper alloys Rbmdkdcb: Brass Rbmdkdf: Iron alloys Rbmdkdfb: Austenite Rbmdkdfs: Steel Rbmdkdfsc: Steel by properties Rbmdkdfscb: Alloy steel Rbmdkdfscc: Carbon steel Rbmdkdfsccm: Low alloy steel Rbmdkdfsccmh: HY 80 steel Rbmdkdfsccp: Mild steel Rbmdkdfscd: Cast steel Rbmdkdfscf: Corrosion resistant steel Rbmdkdfscfs: Stainless steel Rbmdkdfscm: High strength steel Rbmdkdfscmd: Dual phase steel Rbmdkdfscw: Weathering steel Rbmdkdfse: Steel by end use Rbmdkdfsef: Rail steel Rbmdkdfseh: Reinforcing steel Rbmdkdfsep: Shipbuilding steel Rbmdkdfses: Structural steel Rbmdkdk: Lithium alloys Rbmdkdm: Magnesium alloys Rbmdkdn: Nickel alloys Rbmdkds: Silicon alloys Rbmdkdt: Titanium alloys Rbmdkdu: Zinc alloys Rbmdkdy: Alloys by properties Rbmdkdyc: Corrosion resistant alloys Rbmdkdyw: Wear resistant alloys Rbmdm: Organic materials Rbmdmb: Animal materials Rbmdmbc: Coral Rbmdmbm: Leather Rbmdmbs: Shells (Zoology) Rbmdmv: Vegetable materials Rbmdmvc: Bamboo Rbmdmve: Burlap Rbmdmvf: Compost Rbmdmvg: Lignin Rbmdmvj: Lignosulfonate Rbmdmvm: Mulches Rbmdmvs: Straw Rbmdmvw: Wood Rbmdmvwb: Bark Rbmdmvwd: Cellulose Rbmdmvwf: Hardwoods Rbmdmvwj: Laminated wood Rbmdmvwm: Logs Rbmdmvwp: Lumber Rbmdmvwr: Plywood Rbmdmvws: Soft woods Rbmdmvwt: Timber Rbmdmvww: Wood chips Rbmdp: Hydrocarbon based materials Rbmdpb: Asphalt based materials Rbmdpbb: Asphalt cement Rbmdpbe: Emulsified asphalt Rbmdpbeb: Anionic emulsified asphalt Rbmdpbec: Cationic emulsified asphalt Rbmdpbg: Gussasphalt Rbmdpbh: Foamed asphalt Rbmdpbm: Liquid asphalt Rbmdpbr: Rolled asphalt Rbmdpbs: Sheet asphalt Rbmdpbu: Asphalt mixtures Rbmdpbub: Asphalt concrete Rbmdpbubp: Plant mix Rbmdpbum: Mastic asphalt Rbmdpbuq: Stone matrix asphalt Rbmdpbus: Superpave Rbmdpby: Asphalt additives Rbmdpbyp: Polymer asphalt Rbmdpbype: Elastomer modified asphalt Rbmdpbypem: Latex asphalt Rbmdpbyper: Asphalt rubber Rbmdpbys: Sulfur asphalt Rbmdpc: Bituminous materials Rbmdpcm: Bituminous mixtures Rbmdpcr: Rubberized bitumen Rbmdpf: Coal based materials Rbmdpfc: Coal liquids Rbmdpff: Coal tars Rbmdpfm: Coke Rbmdpfp: Creosote Rbmdpm: Maltha based materials Rbmdpmm: Malthene Rbmdpp: Petrochemicals Rbmdppb: Asphaltene Rbmdppd: Petroleum distillates Rbmdppf: Naphtha Rbmdppp: Paraffin Rbmdpppq: Propane Rbmdpps: Residual oils Rbmdpt: Hydrocarbon based materials from multiple sources Rbmdptc: Carbon black Rbmdptp: Pitch (Materials) Rbmdpts: Synthetic crude Rbmdptv: Synthetic crude oil Rbmdq: Plastics Rbmdqb: Formed plastics Rbmdqbc: Corrugated plastic Rbmdqbe: Expanded plastics Rbmdqbm: Laminated plastics Rbmdqd: Elastomers Rbmdqdm: Latex Rbmdqdr: Rubber Rbmdqdrc: Rubber compounds Rbmdqdrcb: Asphalt rubber Rbmdqdrcc: Chlorinated rubber Rbmdqdrcs: Styrene butadiene rubber Rbmdqdrk: Natural rubber Rbmdqdrn: Neoprene Rbmdqdrr: Reclaimed rubber Rbmdqdrs: Synthetic rubber Rbmdqn: Nylon Rbmdqp: Phenolic plastic Rbmdqq: Reinforced plastics Rbmdqqf: Fiber reinforced plastics Rbmdqqfg: Glass fiber reinforced plastics Rbmdqr: Resins Rbmdqrb: Acrylic resins Rbmdqrd: Alkyd resins Rbmdqrf: Epoxy resins Rbmdqrh: Ethylene resins Rbmdqrj: Natural resins Rbmdqrm: Phenolic resins Rbmdqrn: Polyamide resins Rbmdqrp: Polyester resins Rbmdqrq: Polyurethane resins Rbmdqrr: Synthetic resins Rbmdqrs: Thermoplastic resins Rbmdqru: Thermosetting resins Rbmdqrv: Vinyl resins Rbmdqs: Silicones Rbmdqt: Thermoplastic materials Rbmdqu: Thermosetting materials Rbmds: Hazardous materials Rbmdsb: Carcinogens Rbmdsc: Hazardous chemicals Rbmdscc: Chemical agents Rbmdscm: Corrosive materials Rbmdse: Explosives Rbmdsep: Plastic explosives Rbmdsf: Flammable materials Rbmdsfm: Flammable liquids Rbmdsp: Poisons Rbmdspg: Poisonous gases Rbmdsr: Radioactive materials Rbmdsrf: Fallout Rbmdu: Waste products Rbmdua: Bottom ash Rbmdub: Clinkers Rbmduc: Crumb rubber Rbmdud: Dredged materials Rbmdue: Combustion deposits Rbmduf: Dust Rbmdufk: Kiln dust Rbmdufm: Limestone dust Rbmdufs: Sawdust Rbmduh: Fly ash Rbmduhm: Lime fly ash Rbmduhp: Pulverized fly ash Rbmduj: Foundry sand Rbmdum: Recycled materials Rbmdup: Rubble Rbmdur: Scrap Rbmdurs: Scrap metal Rbmdut: Silica fume Rbmduv: Slag Rbmduvg: Granulated slag Rbmduvp: Pelletized slag Rbmduw: Tailings Rbmduy: Wood waste Rbmdx: Materials by shape or form Rbmdxa: Bars (Building materials) Rbmdxam: Tendons (Materials) Rbmdxar: Reinforcing bars Rbmdxard: Deformed bars Rbmdxars: Stirrups Rbmdxas: Rods Rbmdxat: Tie bars Rbmdxb: Blocks Rbmdxbc: Concrete blocks Rbmdxbcm: Monoliths Rbmdxc: Fabrics Rbmdxcb: Ballast mats Rbmdxcc: Filters Rbmdxccf: Filter fabric Rbmdxce: Geosynthetics Rbmdxceg: Geogrids Rbmdxcem: Geomembranes Rbmdxcet: Geotextiles Rbmdxch: Impervious membranes Rbmdxcn: Nonwoven materials Rbmdxcnt: Nonwoven textiles Rbmdxcp: Rayon Rbmdxcq: Screens Rbmdxcs: Steel wire fabrics Rbmdxct: Textiles Rbmdxctf: Textile fabrics Rbmdxcw: Welded wire fabrics Rbmdxcx: Woven materials Rbmdxcxf: Woven fabrics Rbmdxf: Fibers Rbmdxfb: Aramid fibers Rbmdxfc: Carbon fibers Rbmdxfg: Glass fibers Rbmdxfm: Metal fibers Rbmdxfo: Optical fibers Rbmdxfp: Polymer fibers Rbmdxfs: Steel fibers Rbmdxft: Synthetic fibers Rbmdxfv: Vulcanized fibers Rbmdxm: Particles Rbmdxmf: Fines (Materials) Rbmdxmg: Granular materials Rbmdxmm: Particulates Rbmdxmp: Pellets Rbmdxms: Powders Rbmdxmv: Screenings Rbmdxn: Pipe and tubing Rbmdxnp: Pipe Rbmdxnpc: Concrete pipe Rbmdxnpcr: Reinforced concrete pipe Rbmdxnpe: Corrugated pipe Rbmdxnpg: Culvert pipe Rbmdxnph: Cured in place pipe Rbmdxnpj: Drain pipe Rbmdxnpjt: Traps (Drain pipe) Rbmdxnpk: Metal pipe Rbmdxnpks: Steel pipe Rbmdxnpm: Perforated pipe Rbmdxnpp: Plastic pipe Rbmdxnpr: Riser pipe Rbmdxnps: Sewer pipe Rbmdxnpw: Water pipe Rbmdxnt: Tubing Rbmdxq: Rope, wire and cable Rbmdxqc: Cables Rbmdxqcs: Suspension cables Rbmdxqr: Rope Rbmdxqrs: Synthetic rope Rbmdxqrw: Wire rope Rbmdxqw: Wire Rbmdxqwe: Electric wire Rbmdxqwg: Filaments Rbmdxqwm: Long span Rbmdxqws: Steel wire Rbmdxs: Sheets and plates Rbmdxsd: Diaphragms (Engineering) Rbmdxsm: Laminates Rbmdxsmb: Bimetals Rbmdxsn: Paper Rbmdxsp: Particle board Rbmdxsq: Plates (Engineering) Rbmdxsqc: Anchor plates Rbmdxsqe: Bolsters Rbmdxsqg: Gusset plates Rbmdxsqj: Orthotropic plates Rbmdxsqm: Plate metal Rbmdxsqp: Platens Rbmdxsqq: Splice plates Rbmdxsqr: Steel plates Rbmdxsqs: Stiffened plates Rbmdxsqt: Stiffeners (Plates) Rbmdxsqtm: Longitudinal stiffeners Rbmdxsqtt: Transverse stiffeners Rbmdxsqx: Thin plates Rbmdxsqy: Welded plates Rbmdxsr: Sheathing Rbmdxss: Sheets Rbmdxssb: Foil Rbmdxssd: Panels Rbmdxssf: Separators Rbmdxssfr: Raised separators Rbmdxssm: Sheet metal Rbmdxssn: Strip metal Rbmdxssp: Sheet molding compounds Rbmdxsss: Steel sheets Rbmdxst: Siding Rbmdxt: Materials by surface characteristics Rbmdxtb: Coarse grained materials Rbmdxtf: Coated materials Rbmdxtfc: Cold coated materials Rbmdxtfh: Hot coated materials Rbmdxu: Tile and shingles Rbmdxus: Shingles Rbmdxut: Tile Rbmdxutd: Drain tile Rbmdxw: Webbing Rbmdxwm: Wire mesh Rbmdy: Materials by chemical properties, composition & structure Rbmdyb: Materials by direction of measurement properties Rbmdybb: Anisotropic materials Rbmdybj: Isotropic materials Rbmdyc: Cylindrical bodies Rbmdye: Elastic bodies Rbmdyev: Viscoelastic materials Rbmdyf: Expanded materials Rbmdyg: Extrudates Rbmdyh: Foams and emulsions Rbmdyhe: Emulsions Rbmdyheb: Asphalt emulsions Rbmdyhf: Foams Rbmdyhfb: Foamed materials Rbmdyhff: Foaming agents Rbmdyhfh: High expansion foams Rbmdyhfp: Plastic foams Rbmdyhfr: Polyurethane foams Rbmdyj: Impurities Rbmdyk: Oils Rbmdyke: Engine oils Rbmdykf: Flux oil Rbmdykg: Heavy oils Rbmdykj: Lubricating oils Rbmdykm: Mineral oils Rbmdykp: Multigrade oils Rbmdykr: Oil additives Rbmdykt: Shale oil Rbmdykv: Vegetable oils Rbmdykvh: Linseed oil Rbmdys: Materials by strength or resistance to chemical action Rbmdysb: Chemical resistant materials Rbmdysc: Cohesionless materials Rbmdyse: Corrosion resistant materials Rbmdysg: Fiber reinforced materials Rbmdysh: Hard materials Rbmdysj: High strength materials Rbmdysm: Impervious materials Rbmdyss: Stabilized materials Rbmdyt: Materials at high or low temperatures Rbmdytc: Calcines Rbmdytf: Cryogenic materials Rbmdyth: Heat resistant materials Rbmdytm: Low temperature materials Rbmdytr: Refractory materials Rbmdyw: Materials by weight Rbmdywm: Lightweight materials Rbmn: Materials by function Rbmnb: Abrasives Rbmnbg: Grits Rbmnd: Adhesives Rbmnda: Adhesive tape Rbmndb: Binders Rbmndbc: Antistrip additives Rbmndbh: Bituminous binders Rbmndbq: Hydraulic binders Rbmndc: Fluxes Rbmndd: Glue Rbmndf: Grout Rbmndfc: Cement grouts Rbmndfd: Chemical grouts Rbmndj: Mortar Rbmndjc: Cement mortars Rbmndjp: Patching mortar Rbmndn: Pastes Rbmndnc: Cement paste Rbmnds: Solder Rbmne: Cleansers Rbmned: Detergents Rbmnef: Disinfectants Rbmnes: Soap Rbmnf: Coatings, fillers and paints Rbmnfc: Coatings Rbmnfcb: Abrasion resistant coatings Rbmnfcc: Aluminum coatings Rbmnfcf: Anticorrosion coatings Rbmnfch: Antifouling coatings Rbmnfcj: Bituminous coatings Rbmnfcm: Ceramic coatings Rbmnfcp: Films (Coatings) Rbmnfcpt: Thin films Rbmnfcr: Metal coatings Rbmnfcs: Organic coatings Rbmnfcu: Plastic coatings Rbmnfcue: Epoxy coatings Rbmnfcur: Rubber coatings Rbmnfcv: Protective coatings Rbmnfcw: Toxic coatings Rbmnfcx: Zinc coatings Rbmnfd: Fillers (Materials) Rbmnfdj: Joint fillers Rbmnfdk: Limestone fillers Rbmnfdm: Mineral fillers Rbmnff: Finishes Rbmnffe: Facings Rbmnfj: Moisture barriers Rbmnfn: Paint Rbmnfnb: Aluminum paint Rbmnfne: Enamels Rbmnfnk: Lead based paint Rbmnfnp: Pigments Rbmnfnr: Reflectorized paint Rbmnfns: Tack coats Rbmnfnt: Traffic paint Rbmnfnu: Underwater paint Rbmnfny: Zinc rich paint Rbmnfp: Penetrants Rbmnfq: Plugs (Fillers) Rbmnfr: Primers (Materials) Rbmnfs: Sealing compounds Rbmnfsc: Chip seals Rbmnfsj: Joint sealers Rbmnfss: Slurry seals Rbmnfu: Varnish Rbmnfv: Waterproofing materials Rbmnfvf: Flashing Rbmnfvr: Water repellents Rbmnfw: Waxes Rbmnfx: Wood preservatives Rbmng: Colorants Rbmngd: Dyes Rbmngj: Ink Rbmngm: Marking materials Rbmnh: Coolants Rbmnhb: Antifreeze Rbmnhd: Brines Rbmnhf: Cooling water Rbmnhn: Nuclear reactor coolants Rbmnhr: Refrigerants Rbmni: Cushioning materials Rbmnie: Energy absorbing materials Rbmnj: Deicing chemicals Rbmnjc: Calcium chloride Rbmnjf: Calcium magnesium acetate Rbmnjs: Sodium chloride Rbmnk: Fasteners Rbmnkb: Bolts Rbmnkbb: Anchor bolts Rbmnkbr: Rockbolts Rbmnkc: Chains Rbmnkd: Cotters Rbmnkdp: Cotter pins Rbmnkf: Dowels (Fasteners) Rbmnkh: Fastenings Rbmnki: Locks (Fasteners) Rbmnkk: Hinges Rbmnkl: Lugs Rbmnkm: Nails Rbmnkn: Nuts (Fasteners) Rbmnkp: Pins Rbmnkr: Rivets Rbmnks: Screws Rbmnkt: Spikes Rbmnkv: Stud connectors Rbmnm: Materials by flammability Rbmnmc: Fire resistant coatings Rbmnme: Fire extinguishing agents Rbmnmn: Nonflammable materials Rbmnmp: Fireproof materials Rbmnmr: Fire retardants Rbmnms: Fire resistant materials Rbmnmy: Flammable materials Rbmnn: Friction materials Rbmnng: Grease Rbmnnm: Lubricants Rbmnns: Surface active agents Rbmnt: Insulating materials Rbmntb: Acoustic materials Rbmntbs: Sound insulating materials Rbmnte: Electric insulating materials Rbmnted: Dielectric materials Rbmnth: Heat insulating materials Rbmnthb: Insulation blankets Rbmnu: Linings Rbmnv: Plasticizers Rbmnvp: Superplasticizers Rbmnx: Sorbents Rbmnxb: Oil sorbents Rbmnxe: Absorbents Rbmnxed: Driers (Materials) Rbmnxep: Porous materials Rbmnxg: Adsorbents Rbmny: Wedges Rbmu: Materials by end use Rbmue: Structural materials Rbmueb: Bearing materials Rbmued: Reinforcing materials Rbmuej: Materials in specific structural applications Rbmuejp: Paving materials Rbmuejpc: Cold mix paving mixtures Rbmuejpf: Warm mix paving mixtures Rbmuejph: Hot mix paving mixtures Rbmuejps: Subbase materials Rbmuejpt: Subgrade materials Rbmuh: Electronic materials Rbmuhf: Ferroelectric materials Rbmuhfp: Piezoelectric materials Rbmuhk: Magnetic materials Rbmuhkf: Ferromagnetic materials Rbmuhm: Microelectronic materials Rbmuhmn: Nanostructure materials Rbmuhp: Optoelectronic materials Rbmuht: Thermoelectric materials Rbmuhv: Electronic materials by conductivity Rbmuhvg: Semiconductors Rbmuhvgs: Superlattices Rbmuhvgt: Transistor materials Rbmuhvm: Conducting materials Rbmuhvmp: Photoconducting materials Rbmuhvs: Superconductors Rbmuhvsc: Composite superconductors Rbmuj: Optical materials Rbmuje: Electrooptic materials Rbmujf: Fiberoptic materials Rbmujh: Holographic materials Rbmujm: Laser materials Rbmujp: Luminous materials Rbmujr: Optical fibers Rbmuju: Photographic materials Rbmujv: Reflectorized materials Rbmujvr: Retroreflectors Rbmujx: Refractive materials Rbmujxp: Photorefractive materials Rbmum: Industrial materials Rbmumr: Raw materials Rbmums: Strategic materials Rbmumt: Materials in specific industries Rbmumtc: Agricultural chemicals Rbmumtcf: Fertilizers Rbmumtcg: Herbicides Rbmumtcj: Insecticides Rbmumtcjn: Nicotine Rbmumtcp: Pesticides Rbmumtcs: Soil sterilants Rbmumtd: Biological materials Rbmumte: Biomedical materials Rbmumtg: Drilling fluids Rbmumtp: Packaging materials Rbmumtt: Transportation materials Rbmumttb: Aerospace materials Rbmumtth: Road materials Rbmumtths: Road marking materials Rbmumtthss: Striping materials Rbmumtthsu: Road marking tapes Rbmumttr: Railroad materials Rbmumttrf: Rail fasteners Rbmur: Engine materials Rbmure: Engine oils Rbmurw: Working fluids Rbmurws: Steam Rbmuv: Vehicular materials Rbmuvb: Aircraft materials Rbmuvc: Automotive materials Rbmuvs: Shipbuilding materials Rbmuvt: Spacecraft materials Rbmuvtb: Ablative materials Rbmv: Engineered materials Rbmvs: Smart materials Rbmvw: Synthetics Rbmy: Materials by source Rbmym: Local materials Rk: Properties of materials Rkb: Acoustic properties Rkbf: Acoustic impedance Rkbj: Acoustic signature Rkbn: Damping capacity Rkbq: Loudness Rkc: Chemical properties Rkcb: Chemical composition Rkcbb: Chemical composition by material content Rkcbba: Air content Rkcbbb: Ash content Rkcbbg: Asphalt content Rkcbbj: Binder content Rkcbbm: Cement content Rkcbbmf: Cement factor Rkcbbn: Chloride content Rkcbbq: Chlorine content Rkcbbt: Organic content Rkcbf: Heterogeneity Rkcbh: Homogeneity Rkcbs: Salinity Rkcf: Chemical reactivity Rkcfb: Biodegradability Rkcff: Boiling point Rkcfj: Bond strength (Chemistry) Rkcfn: Corrosion resistance Rkcfp: Instability Rkcfr: Stability (Chemistry) Rkcfu: Stoichiometry Rkcfv: Volatility Rkcfw: Weather resistance Rkcg: Combustion efficiency Rkch: Concentration (Chemistry) Rkcj: Drag factor (Chemistry) Rkcm: Flammability Rkcmc: Cetane number Rkcmk: Fire resistance Rkcms: Flash point Rkco: Octane number Rkcp: pH value Rkcpf: Acidity Rkcpr: Alkalinity Rkcq: Polymorphism (Chemistry) Rkcs: Solubility Rkct: Thixotropy Rkcv: Toxicity Rkcx: Turbidity Rke: Electrical properties Rkec: Capacitance Rked: Dielectric properties Rkef: Electrical conductivity Rkefp: Photoconductivity Rkefs: Superconductivity Rkeg: Electrical impedance Rkeh: Electrical resistivity Rkehs: Skin resistance Rkek: Inductance Rkeo: Peak value (Electricity) Rkep: Power factor (Electricity) Rkeq: Power level (Electricity) Rker: Refractivity Rket: Transfer characteristics Rkf: Electromagnetic properties Rkfb: Bandwidth Rkfe: Electromagnetic compatibility Rkfg: Frequency response Rkfn: Magnetic properties Rkfng: Magnetic induction Rkft: Transmittance (Electromagnetism) Rkm: Mechanical properties Rkma: Strength of materials Rkmaa: Adhesive strength Rkmab: Bond strength (Materials) Rkmabw: Weld strength Rkmac: Cohesive strength Rkmad: Collapse strength Rkmae: Compressive strength Rkmaf: Cyclic strength Rkmag: Fatigue strength Rkmah: Field strength Rkmaj: Flexural strength Rkmak: High strength Rkmal: Longitudinal strength Rkmam: Residual strength Rkmar: Shear strength Rkmarr: Residual shear strength Rkmaru: Undrained shear strength Rkmas: Tear strength Rkmat: Tensile strength Rkmau: Torsional strength Rkmav: Transverse strength Rkmaw: Ultimate strength Rkmax: Undrained strength Rkmay: Yield strength Rkmb: Bearing capacity Rkmbm: Load limits Rkmbt: Trafficability Rkmc: Collapse properties Rkmd: Compressibility Rkme: Dilatancy Rkmf: Durability Rkmg: Eccentricity Rkmh: Elasticity (Mechanics) Rkmhc: Consistency Rkmhh: Hydroelasticity Rkmhm: Linear elasticity Rkmhn: Orthotropic Rkmhp: Photoelasticity Rkmht: Thermoelasticity Rkmhv: Viscoelasticity Rkmi: Friability Rkmj: Hardness Rkmjb: Abrasion resistance Rkmjp: Penetration resistance Rkmjs: Puncture resistance Rkmjw: Work hardening Rkmk: Inertia (Mechanics) Rkmkk: Resistance (Mechanics) Rkml: Plasticity Rkmlb: Brittleness Rkmlbe: Embrittlement Rkmlbeb: Acid brittleness Rkmlbf: Fracture properties Rkmlf: Creep properties Rkmlm: Ductility Rkmlq: Elastoplasticity Rkmls: Rheological properties Rkmlt: Slip resistance Rkmlv: Toughness Rkmly: Viscoplasticity Rkmm: Resilience Rkmn: Shear properties Rkmo: Shock resistance Rkmp: Static stability Rkmq: Stiffness Rkmqf: Flexibility Rkmr: Tensile properties Rkmu: Workability Rkmy: Mechanical properties by mathematical limits or values Rkmya: Atterberg limits Rkmyam: Liquid limits Rkmyap: Plastic limit Rkmyas: Shrinkage limit Rkmyb: Bulk modulus Rkmyd: Coefficient of friction Rkmydc: Angle of repose Rkmydcc: Angle of rest Rkmye: Coefficient of internal friction Rkmyg: Compliance constant Rkmyh: Deformation curve Rkmyhy: Yield point Rkmyi: Design load Rkmyim: Load factor Rkmyj: Elastic limit Rkmyk: Fatigue limit Rkmyl: Hygroscopic coefficient Rkmyn: Influence lines Rkmyo: Mechanical impedance Rkmyp: Modulus of deformation Rkmyq: Modulus of elasticity Rkmyqd: Dynamic modulus of elasticity Rkmyr: Modulus of resilience Rkmys: Modulus of rupture Rkmyt: Plasticity index Rkmyu: Poisson ratio Rkmyv: Shear modulus Rkmyw: Stress ratio Rkmyx: Young's modulus Rkmyy: Mechanical properties of pavements expressed numerically Rkmyyc: California bearing ratio Rkmyyf: Coefficient of subgrade reaction Rkmyyj: Drainage coefficient (Pavements) Rkmyym: Layer coefficient (Pavements) Rkmyys: Structural number (Pavements) Rkmyyt: Traffic equivalence factor Rko: Optical properties Rkoa: Angle of incidence Rkob: Brightness Rkoc: Color Rkocb: Blue Rkocg: Green Rkoco: Orange Rkocr: Red Rkocw: White Rkocy: Yellow Rkoe: Contrast Rkof: Fluorescence Rkok: Luminosity factor Rkom: Luminous intensity Rkomm: Luminance Rkop: Opacity Rkopp: Optical density Rkor: Reflectivity Rkorr: Retroreflectivity Rkot: Transparence Rkp: Physical properties Rkpd: Density Rkpdb: Bulk density Rkpdc: Compactibility Rkpdd: Dry density Rkpdf: Field density Rkpdh: High density Rkpdj: In place density Rkpdk: Low density Rkpds: Specific gravity Rkpdw: Wet density Rkpj: Direction of measurement properties Rkpjb: Anisotropy (Physics) Rkpjj: Isotropy Rkpk: Microstructure Rkpm: Moisture content Rkpmd: Dryness Rkpmp: Percent saturation Rkpn: Molecular structure Rkpp: Porosity Rkps: Steady state Rkpt: Texture Rkpth: Grain shape (Geology) Rkptj: Grain size (Geology) Rkptk: Macrotexture Rkptm: Microtexture Rkptp: Pore size distribution Rkptr: Roughness Rkpts: Shape Rkptsb: Angularity Rkptsd: Asymmetry Rkptst: Thinness Rkptt: Skid resistance Rkptu: Slipperiness Rkptw: Smoothness Rkpty: Void ratios Rkpv: Volume Rkpvs: Size Rkpvsd: Depth Rkpvsf: Fineness Rkpvsh: Height Rkpvsm: Length Rkpvss: Specific surface Rkpvsw: Width Rkpvt: Thickness Rkpw: Weight Rkpwg: Gross weight Rkpwk: Mass Rkpwm: Molecular weight Rkpwu: Unsprung weight Rkr: Physicochemical properties Rkrb: Absorptivity Rkrd: Drying rate Rkre: Gas permeability (Concrete) Rkrh: Hydrophobic properties Rkrp: Permeability Rkrt: Swelling index Rkt: Thermal properties Rkta: Adiabatic conditions Rktb: Diffusivity Rkte: Enthalpy Rkteh: Heat of hydration Rktes: Heat of solution Rktf: Entropy (Statistical mechanics) Rktg: Freeze thaw durability Rkth: Frost susceptibility Rktk: Specific heat Rktm: Temperature Rktmc: Isotherms Rktmh: High temperature Rktmm: Low temperature Rktms: Surface temperature Rktmt: Temperature points Rktmtf: Freezing point Rktmtm: Melting point Rktmts: Softening point Rktmtt: Transition point Rktp: Thermal conductivity Rktt: Thermal resistance Rktv: Thermal stability Rktw: Transport properties (Physics) Rkw: Properties of fluids Rkwd: Dew point Rkwf: Flow fields Rkwff: Flow visualization Rkwg: Fluidity Rkwgm: Low temperature fluidity Rkwj: Hydraulic properties Rkwjg: Hydraulic gradient Rkwk: Oxygen content Rkwm: Permeability coefficient Rkwp: Pressure resistance Rkwr: Roughness coefficient Rkwt: Turbidity Rkwv: Viscosity S: Physical phenomena Sa: Laws of physics Sab: Boussinesq equation Sag: Conservation of mass and energy Sak: Conservation of momentum Sal: Equations of motion Sam: Darcy's law Sao: Froude number Sap: Newton's law of gravitation Saq: Newton's equations of motion Sav: Reynolds number Saw: Terzaghi's rule Say: Wave equations Sb: Sound Sbb: Acoustic emission Sbf: Acoustic scattering Sbh: Acoustic waves Sbhd: Aerodynamic noise Sbhds: Sonic boom Sbhr: Acoustic radiation Sbhrf: Far field Sbhrn: Near field Sbi: Directivity pattern Sbj: Effective sound pressure Sbjs: Sound level Sbm: Harmonics Sbp: Infrasound Sbr: Pitch (Acoustics) Sbt: Sound attenuation Sbts: Sound absorption Sbv: Sound transmission Sbvr: Reverberation Sbvs: Sound intensity Sbw: Speed of sound Sbx: Ultrasonic waves Sbxr: Ultrasonic radiation Sby: Underwater sound Sc: Chemical reactions and processes Scc: Chemical reactions Scca: Catalysis Sccb: Combination (Chemistry) Sccc: Detonation Sccd: Explosions Scce: Fermentation Sccf: Hydration Sccg: Hydrogenation Sccgb: Coal hydrogenation Scch: Hydrolysis Scci: Ion exchange Sccic: Cation exchange Sccj: Neutralization Sccm: Oxidation Sccmc: Combustion Sccmcf: Fluidized bed combustion Sccmcy: Manifestations of combustion Sccmcyf: Fire Sccmcyh: Flames Sccmcyhf: Flame propagation Sccn: Photochemical reactions Sccp: Polymerization Sccr: Reduction (Chemistry) Sccs: Replacement (Chemistry) Scct: Synthesis (Chemistry) Sccv: Vulcanization Sccw: Reactions in asphalt Sccwb: Asphalt hardening Sccy: Reactions in concrete Sccya: Air entrainment Sccyb: Alkali aggregate reactions Sccyc: Alkali carbonate reactions Sccye: Alkali silica reactions Sccyh: Concrete hardening Sccyp: Pozzolanic action Sccyr: Scaling (Concrete) Sccys: Setting (Concrete) Scp: Chemical processes Scpa: Activation (Chemistry) Scpb: Aggregation (Chemistry) Scpc: Association (Chemistry) Scpd: Carbonation Scpe: Carbonization Scpf: Chemical bond Scpg: Chlorination Scph: Corrosion Scphb: Cavitation erosion Scphe: Electrochemical corrosion Scphes: Stray current corrosion Scphf: Fretting corrosion Scphg: Galvanic corrosion Scphp: Pitting Scphr: Rusting Scphv: Shelling (Metals) Scphx: Stress corrosion Scpi: Crystallization Scpin: Nucleation Scpj: Decomposition Scpk: Desulfurization Scpl: Dilution Scpm: Dissociation (Chemistry) Scpn: Dissolution Scpnm: Leaching Scpo: Distillation Scpp: Electrochemical processes Scppb: Anodic polarization Scppm: Electrolysis Scppp: Electroosmosis Scpq: Gasification Scpr: Ignition Scps: Ionization Scpt: Isolation (Chemistry) Scpu: Osmosis Scpv: Photolysis Scpw: Precipitation (Chemistry) Scpwc: Coagulation Scpx: Pyrolysis Scpy: Solvation Se: Electricity Sea: Accelerating potential Seb: Attenuation (Electricity) See: Conduction Seg: Electric current Segb: Alternating current Segd: Direct current Segg: Eddy currents Segr: Short circuits Segs: Stray currents Sej: Electric discharge Seje: Electric arcs Sejs: Sparks Sem: Electric fields Sep: Electric potential Sepv: Voltage Sepvh: High voltage Sepvm: Low voltage Sepvp: Overvoltage Seq: Electric power Seql: Power loss Seqo: Power output Ser: Electrostatics Set: Intensity (Electricity) Seu: Phase shift (Electricity) Sev: Piezoelectricity Sevv: Voltage regulation Sew: Resistance (Electricity) Sewd: Dynamic resistance Sex: Resonance Sexf: Resonance frequency Sexfn: Natural frequency Sey: Wall effect Sf: Electromagnetism Sff: Electromagnetic fields Sffp: Photons Sfj: Electromagnetic induction Sfr: Electromagnetic radiation Sfrw: Electromagnetic waves Sfrwa: Electromagnetic waves by wavelength Sfrwaa: Sound Sfrwab: Radio waves Sfrwaf: Microwaves Sfrwah: Millimeter waves Sfrwaj: Infrared radiation Sfrwam: Light Sfrwap: Ultraviolet light Sfrwas: X rays Sfrwav: Gamma rays Sfrway: Cosmic rays Sfrwb: Electromagnetic wave phenomena Sfrwbb: Electromagnetic wave propagation Sfrwbbr: Radio wave propagation Sfrwbd: Diffraction Sfrwbe: Doppler effect Sfrwbed: Doppler shift Sfrwbf: Frequency (Electromagnetism) Sfrwbfm: Audio frequency Sfrwbfmv: Voice frequency Sfrwbfr: Radio frequency Sfrwbfrb: Broadband Sfrwbfrc: Very low frequency Sfrwbfrg: Low frequency Sfrwbfrh: Medium frequency Sfrwbfrj: High frequency Sfrwbfrm: Very high frequency Sfrwbfrs: Ultrahigh frequency Sfrwbfrsm: L band Sfrwbfrss: S band Sfrwbfrw: Superhigh frequency Sfrwbfrwk: Ku band Sfrwbp: Polarization Sfrwbpg: Pulses Sfrwbq: Radiation patterns Sfrwbqs: Frequency spectra Sfrwbr: Reflection Sfrwbrr: Radar reflection Sfrwbrrr: Radar cross section Sfrwbrt: Retroreflection Sfrwbs: Refraction Sfrwbt: Scattering Sfrwbtb: Backscattering Sfrws: Electromagnetic wave properties Sfrwsb: Amplitude (Physics) Sfrwsp: Power spectra Sfrwsw: Wavelength Sfv: Electromagnetic spectrum Sfx: Particle beams Sfxe: Electron beams Sfxm: Laser beams Sfxr: Radio beams Sfxrr: Radar beams Sfxx: X rays Sfxxr: X ray fluorescence Sm: Mechanics Sma: Attenuation (Physics) Smb: Deformation Smbb: Bending Smbbm: Bending moments Smbbs: Bending stress Smbc: Buckling Smbcb: Blowup (Pavements) Smbe: Creep Smber: Relaxation (Mechanics) Smbj: Distortion (Structures) Smbk: Elastic deformation Smbkb: Aeroelasticity Smbkc: Cratering Smbkg: Deflection Smbm: Flexure Smbp: Plastic deformation Smbq: Plastic flow Smbr: Rutting Smbrc: Corrugations (Defects) Smbs: Strain (Mechanics) Smbss: Shear strain Smbv: Tension Smbw: Torsion Smbx: Warpage Smc: Degrees of freedom Smcc: Constraints Smd: Dynamics Smdf: Fluid dynamics Smdfb: Aerodynamics Smdfbd: Downwash Smdfbs: Shock (Mechanics) Smdfbss: Shock waves Smdfbssb: Bow waves Smdfc: Cavitation (Mechanics) Smdfd: Drag Smdfdb: Air resistance Smdfds: Sound barrier Smdfdw: Wave drag Smdff: Flow Smdffa: Boundary layer flow Smdffas: Boundary layer separation Smdffb: Flow by speed Smdffbb: Subsonic flow Smdffbk: Critical flow Smdffbm: Potential flow Smdffbp: Supersonic flow Smdffbv: Critical velocity Smdffc: Compressible flow Smdffd: Confined flow Smdffdc: Channel flow Smdffdcc: Critical depth Smdffdce: Constrictions Smdffdp: Pipe flow Smdffdr: Queuing Smdffdt: Flow resistance Smdffdv: Vapor lock Smdffe: Convection (Fluid mechanics) Smdfff: Flow equations Smdffg: Infiltration Smdffi: Laminar flow Smdffis: Shear rate Smdffk: Multidimensional flow Smdffkb: Three dimensional flow Smdffkt: Two dimensional flow Smdffl: Multiphase flow Smdfflt: Two phase flow Smdffm: Nonnewtonian flow Smdffn: Nonuniform flow Smdffo: Overflows Smdffp: Overtopping Smdffq: Percolation Smdffr: Seepage Smdffs: Slip (Fluid mechanics) Smdfft: Transitional flow Smdffu: Turbulence Smdffv: Viscous flow Smdffvb: Bleeding (Pavements) Smdffw: Vortices Smdffwe: Eddies Smdffwt: Vortex shedding Smdffx: Wakes Smdffy: Unsteady flow Smdg: Fluid resistance Smdgw: Wave resistance Smdh: Hydrodynamics Smdj: Friction Smdjb: Abrasion Smdjj: Internal friction Smdjr: Rolling friction Smdjrr: Rolling resistance Smdjs: Skin friction Smdjsn: Negative skin friction Smdjt: Sliding friction Smdju: Traction Smdjw: Wall friction Smdm: Impact Smdmk: Impact loads Smdms: Slamming Smdp: Motion Smdpb: Acceleration (Mechanics) Smdpbm: Lateral acceleration Smdpd: Deceleration Smdpf: Falling Smdpff: Free fall Smdpk: Kinetics Smdpn: Oscillation Smdpp: Pitch (Dynamics) Smdppm: Pitching moment Smdpq: Rocking Smdpr: Rolling Smdps: Rotation Smdpst: Torque Smdpsy: Yaw Smdpsyh: Hunting (Dynamics) Smdpt: Splashing Smdpts: Sloshing Smdpv: Velocity Smdpvc: Angular velocity Smdpvcc: Angular acceleration Smdpvs: Speed Smdpvsm: Mach number Smdpvss: Supersonic speed Smdr: Rolling contact Smdrs: Polishing (Aggregates) Smdv: Vibration Smdvd: Damping (Physics) Smdvf: Flutter (Aeronautics) Smdvm: Mechanical vibration Smdvr: Random vibration Sme: Energy Smeb: Burning rate Smed: Dissipation Smee: Energy balance Smef: Energy conversion Smefe: Energy absorption Smem: Energy levels Smen: Energy transfer Smep: Power Smeph: Horsepower Smes: Specific energy Smey: Work (Mechanics) Smeyd: Free energy Smeyf: Friction losses Smeyk: Kinetic energy Smeykr: Regenerative braking Smeyp: Potential energy Smeyps: Stiffness matrix Smf: Failure Smfc: Collapse Smfd: Cracking Smfdb: Types of cracking Smfdbp: Microcracking Smfdbs: Stress cracking Smfdbsf: Fatigue cracking Smfdp: Pavement cracking Smfdpb: Cracking of asphalt concrete pavements Smfdpbb: Alligator cracking Smfdpbe: Block cracking Smfdpbr: Reflection cracking Smfdpm: Cracking of concrete pavements Smfdpmd: D cracking Smfdpmm: Longitudinal cracking Smfdpmt: Transverse cracking Smfdr: Rock fracture Smfdrj: Rock jointing Smfdrs: Spalling Smfe: Debonding Smfeb: Blistering Smfed: Delamination Smff: Fatigue (Mechanics) Smfh: Fracture mechanics Smfhc: Cleavage fracture Smfhs: Slaking Smfp: Overturning Smfr: Segregation (Aggregates) Smfs: Stripping (Pavements) Smft: Tearing Smftb: Blowouts Smh: Fluid mechanics Smhf: Free surface Smhh: Friction factor Smhj: Hydraulic jump Smi: Force Smia: Buoyancy Smib: Centrifugal force Smic: Centripetal force Smid: Drag forces Smif: Cohesion Smih: Impulses (Mechanics) Smij: Inertial forces Smik: Internal forces Smim: Loads Smima: Aerodynamic force Smimam: Aerodynamic lift Smimamg: Ground effect Smimamm: Lift drag ratio Smimas: Stall Smimau: Thrust Smimaub: Blade loading Smimaw: Wing loading Smimb: Axial loads Smimc: Axle loads Smimct: Tandem axle loads Smimcw: Wheel loads Smimd: Breaking loads Smimf: Concentrated loads Smimh: Dynamic loads Smimhb: Blast loads Smimm: Live loads Smimr: Repeated loads Smims: Static loads Smimw: Load transfer Smip: Pressure Smipa: Air pressure Smipb: Back pressure Smipc: Confining pressure Smipcg: Ground pressure Smipd: Dynamic pressure Smipe: Earth pressure Smipes: Soil structure interaction Smipg: Effective stress Smipp: Pore pressure Smippr: Pore water pressures Smipps: Soil suction Smipq: Preconsolidation pressure Smips: Static pressure Smipu: Uplift pressure Smipv: Vacuum Smipw: Water pressure Smipwd: Hydrodynamic pressure Smipws: Hydrostatic pressure Smipx: Wind pressure Smir: Propulsion Smis: Pumping (Pavements) Smit: Set forward force Smiu: Tractive forces Smk: Gravitation Smke: Gravitational force Smkg: Gravity Smkgc: Center of gravity Smp: Momentum Sms: Stability (Mechanics) Smsd: Directional stability Smsf: Dynamic stability Smu: Statics Smub: Adhesion Smue: Aerostatics Smuep: Pneumatics Smuf: Equilibrium (Mechanics) Smuh: Hydrostatics Smum: Moments (Mechanics) Smumm: Moments of inertia Smumr: Resisting moments Smv: Stresses Smvb: Arching (Soils) Smvc: Biaxial stress Smvd: Deviatoric stress Smvj: Inelastic stress Smvp: Principal stresses Smvq: Residual stress Smvr: Reynolds stress Smvs: Shear stress Smvu: Uniaxial stress Smvy: Yield stress Smw: Waves Smwe: Elastic waves Smwg: Gravity waves Smwk: Internal waves Smwm: Longitudinal waves Smwn: Plane waves Smwo: Solitons Smwp: Surges (Fluid mechanics) Smws: S waves Smwy: Wave motion So: Light Sob: Becke line Sod: Distortion (Optics) Soe: Flicker Sof: Fluorescence Soh: Glare Soj: Infrared radiation Sok: Laser beams Som: Light transmission Somd: Diffusion (Optics) Soms: Light scattering Somu: Luminescence Somuc: Chemiluminescence Son: Photovoltaic effect Sop: Polarized light Sos: Solar radiation Sose: Solar energy Soss: Sunlight Sou: Ultraviolet radiation Sp: Nuclear phenomena Spc: Electromagnetic pulses Spd: Excitation Spe: Nuclear energy Spep: Nuclear power Spf: Nuclear explosions Spg: Nuclear magnetic resonance Spm: Nuclear radiation Spmb: Alpha rays Spme: Beta rays Spmg: Gamma rays Spmj: Ionizing radiation Spmjj: Irradiation Sps: Nuclear reactions Spsc: Fission Spsk: Fusion Spsr: Spallation Spsu: Transfer reactions Spu: Radioactivity Sr: Surface phenomena Srb: Boundary layer Srbj: Interfaces Srbjc: Air water interfaces Srbjp: Oil water interfaces Srbjs: Surfaces Srbjsh: Holes Srbt: Turbulent boundary layer Src: Capillarity Srf: Rayleigh waves Srh: Sorption Srhd: Absorption Srhde: Energy absorption Srhk: Adsorption Srhr: Desorption Srm: Surface dynamics Srp: Surface energy Srpb: Absorption spectra Srr: Surface tension Srv: Volume changes Srvb: Compression Srvbb: Axial compression Srvbc: Decompression Srvc: Consolidation Srvcp: Overconsolidation Srvcs: Secondary consolidation Srvg: Expansion Srvgs: Dilation Srvgt: Thermal expansion Srvk: Contraction Srvks: Shrinkage Srvr: Swelling St: Heat Stb: Heat balance Stc: Heat conduction Std: Heat convection Ste: Heat cycle Stf: Heat exchange Stg: Heat flow Sth: Heat flux Stj: Heat loss Stjs: Scaling factor Stk: Heat radiation Stke: Emissivity Stm: Heat transfer Stn: Latent heat Sto: Phase equilibrium Stp: Phase transitions Stpb: Boiling Stpc: Condensation Stpd: Contraction (Thermodynamics) Stpe: Evaporation Stpf: Freezing Stpk: Liquefaction Stpm: Melting Stps: Solidification Stpu: Vapor phases Stpv: Volatilization Stpvb: Boil off Stq: Supercooling Str: Temperature gradients Strt: Thermoclines Sts: Degradation (Thermodynamics) Stt: Thermal diffusion Stu: Thermal efficiency Stv: Thermal expansion Stw: Thermal fatigue Stx: Thermal stresses Stxs: Thermal shock Sty: Vapor pressure Sy: Systems Sya: System architecture Syc: Complex systems Sye: Discrete systems Syg: Fuzzy systems Syn: Networks Synk: Links (Networks) Synn: Nodes (Networks) Sys: Subsystems T: Disciplines Tb: Interdisciplinary studies Tc: Humanities Tcb: Art Tch: History Tcm: Music Tcp: Philosophy Tcpb: Aesthetics Tg: Social sciences Tgc: Anthropology Tgcp: Anthropometry Tgf: Archaeology Tgh: Business administration Tgj: Criminology Tgm: Economics Tgmb: Agricultural economics Tgmc: Econometrics Tgmj: Industrial economics Tgmm: Macroeconomics Tgmr: 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Complex variables Ube: Mathematical relations Ubee: Equations Ubeef: Formulas Ubeem: Linear equations Ubeep: Nonlinear equations Ubet: Transformations (Mathematics) Ubf: Approximation (Mathematics) Ubfb: Asymptotic expansion Ubfc: Curve fitting Ubff: Finite differences Ubfj: Interpolation Ubfk: Iterative methods Ubfkv: Validity Ubfm: Least squares method Ubfp: Numerical integration Ubfs: Splines Ubk: Combinatorial analysis Ubkp: Optimization Ubkpm: Maximization Ubkpp: Minimization Ubkps: Simulated annealing Ubkpt: Tabu search Ubm: Mathematical models Ubme: Econometric models Ubmg: Algorithms Ubmgb: Branch and bound algorithms Ubmgc: Computer algorithms Ubmgce: Expert systems Ubmgcek: Knowledge acquisition (Expert systems) Ubmgf: Fuzzy algorithms Ubmgg: Genetic algorithms Ubmgq: Shortest path algorithms Ubmgs: Simplex method Ubmgu: Progression (Mathematics) Ubmk: Automata theory Ubmkf: Finite automata Ubmkfc: Cellular automata Ubms: Simulation Ubmsb: Analog simulation Ubmsd: Digital simulation Ubmsf: Hardware in the loop simulation Ubmsh: Hybrid simulation Ubmsm: Microsimulation Ubmsv: Virtual reality Ubt: Theorems Ubtp: Proof Ubtt: Theory Ud: Algebra and number theory Udc: Number theory Udf: Algebra Udfb: Algebraic operations Udfbe: Exponential functions Udfbf: Logarithms Udfbfm: Modulus Udfbp: Ratios Udfbpp: Proportion Udfbq: Dimensionless parameters Udfe: Theory of equations Udfeb: Boolean algebra Udfed: Linear algebra Udfedd: Determinants (Mathematics) Udfede: Eigenvalues Udfedm: Matrices (Mathematics) Udfem: Multinomials Udfep: Polynomials Udfepd: Discriminant analysis Udfepq: Quadratic equations Udfes: Simultaneous equations Uf: Arithmetic Ufb: Arithmetic operations Ufbf: Fractions Ufbp: Percent Ufd: Calculation Ufde: Error analysis Ufn: Numbers Uh: Mathematical analysis Uhb: General aspects of mathematical analysis Uhbc: Calculus Uhbcf: Fourier analysis Uhbcg: Fourier series Uhbct: Tensor analysis Uhbcv: Vector analysis Uhbcvw: Eigenvectors Uhbd: Functions (Mathematics) Uhbdp: Oscillations (Mathematics) Uhbf: Functional analysis Uhbfh: Harmonic analysis (Mathematics) Uhbfhw: Wavelets Uhbfk: Integral equations Uhbfm: Integrals Uhbfmc: Calculus of variations Uhbfmcv: Variational inequalities (Mathematics) Uhbfp: Potential theory Uhc: Operational calculus Uhct: Transforms (Integral operators) Uhctf: Fourier transforms Uhctff: Fast Fourier transforms Uhcth: Hough transforms Uhctm: Laplace transforms Uhd: Differential equations Uhdb: Boundary value problems Uhdbb: Boolean functions Uhde: Dynamic models Uhdeg: Green's function Uhdk: Partial differential equations Uhdkh: Hyperbolic functions Uhdm: Linear differential equations Uhdn: Nonlinear differential equations Uhdp: Perturbation theory Uhdpp: Perturbations Uhm: Special functions (Mathematics) Uhmp: Lagrangian functions Uht: Numerical analysis Uhtb: Boundary element method Uhte: Extrapolation Uhv: Sensitivity analysis Uhw: Frequency domain analysis Uhx: Time domain analysis Uhy: Catastrophe theory Uk: Heuristic methods Un: Topology Ung: Graph theory Ungp: Petri nets Ungs: Traveling salesman problem Ungv: Trees (Mathematics) Uns: Structural stability (Mathematics) Up: Geometry Upb: Geometric configurations and shapes Upba: Circles Upbb: Cones Upbc: Cubes Upbd: Curvature Upbe: Curves (Geometry) Upber: Radials Upbes: Sine curves Upbf: Cylinders (Geometry) Upbfc: Circular cylinders (Geometry) Upbj: Fractals Upbp: Parabolas Upbr: Rectangles Upbs: Spheres Upbt: Spirals Upbu: Symmetry Upbub: Bodies of revolution Upbw: Triangles Upd: Geometric elements Upda: Area Updb: Axis Updg: Diameter Updj: Height Updjb: Altitude Updo: Orthogonality Updp: Points (Geometry) Updpe: Ellipses Updr: Radius Updv: Secant Updw: Tangents Updx: Width Uph: Euclidean spaces Upq: Analytic geometries Upqe: Parametric equations Us: Statistical analysis Usa: Analysis of variance Usac: Covariance Usav: Variance Usavh: Heteroscedasticity Usb: Backcalculation Usd: Correlation analysis Usdb: Autocorrelation Usdc: Cross correlation Usds: Spatial analysis Use: Estimation theory Useb: Bias (Statistics) Usec: Choice models Usecm: Logits Usecmm: Multinomial logits Usecp: Probits Usecpm: Multinomial probits Usem: Maximum likelihood method Usf: Hypothesis testing Usfc: Chi square test Usfe: Critical values Ush: Mathematical prediction Ushd: Decision theory Ushdb: Bayes' theorem Ushde: Expected value Usi: Meta-analysis Usj: Multivariate analysis Usjb: Cluster analysis Usjd: Disaggregate analysis Usjf: Factor analysis Usjs: Structural equation modeling Usk: Nonparametric analysis Usm: Parametric analysis Usp: Probability Uspc: Confidence intervals Uspcc: Confidence coefficient Uspcm: Confidence limits Uspg: Game theory Uspj: Goodness of fit Uspm: Monte Carlo method Uspn: Personal probability Uspp: Probability density functions Uspr: Random functions Usq: Randomization Usr: Ranking (Statistics) Usrs: Significance (Statistics) Uss: Regression analysis Ussm: Linear regression analysis Usso: Logistic regression analysis Ussr: Multiple regression analysis Ust: Reliability (Statistics) Usv: Sequential analysis Usw: Statistical sampling Uswc: Control groups Uswj: Statistical inference Uswr: Random sampling Uswrs: Standard error Uswt: Representative samples (Statistics) Uswv: Sufficiency (Statistics) Uswy: T test Usx: Stochastic processes Usxb: Branching processes Usxm: Markov processes Usxmc: Markov chains Usxq: Queuing theory Usxt: Random variables Usy: Descriptive statistics Usyb: Dispersion (Statistics) Usyd: Distributions (Statistics) Usydb: Beta distributions Usydd: Binomial distributions Usydf: Chi square distributions Usydj: Delta functions Usydk: Exponential distributions Usydl: Frequency distributions Usydlk: Kurtosis Usydn: Gamma distributions Usydp: Geometric distributions Usydr: Normal distributions Usydt: Poisson distributions Usydv: Skewed distributions Usydx: Weibull distributions Usyf: Factors (Statistics) Usyfc: Coefficients Usyg: Measures of central tendency Usygb: Average Usygg: Mean (Statistics) Usyh: Deviation (Statistics) Usyhs: Standard deviation Usyr: Range (Statistics) Usyt: Time series Usyv: Trend (Statistics) V: Areas and regions Vc: Areas Vch: Hemispheres Vche: Eastern hemisphere Vchn: Northern hemisphere Vchs: Southern hemisphere Vchw: Western hemisphere Vck: Continents Vckc: Continental shelf Vcr: Climatic regions Vcrf: Frigid regions Vcrfp: Polar regions Vcrft: Tundra Vcrm: Temperate regions Vcrs: Subtropics Vcrt: Tropics Vg: Land areas Vga: General surface features of the earth Vgap: Terrain Vgat: Topography Vgc: Grasslands Vgd: Arid land Vgdd: Deserts Vge: Forests Vgf: Plains Vgfc: Cliffs Vgff: Flood plains Vgfh: Hills Vgfhs: Slopes Vgfhsr: Risers (Geology) Vgfhss: Rock slopes Vgfhst: Talus slopes Vgfr: River basins Vgfv: Valleys Vgh: Mountains Vghp: Passes (Mountains) Vghv: Volcanoes Vgi: Islands Vgk: Capes Vgp: Peninsulas Vh: Caverns Vhg: Galleries Vm: Land water marginal areas Vmb: Littoral Vmbb: Beaches Vmbd: Coasts Vmbdb: Bights Vmbdw: Waterfronts Vmd: Deltas Vmf: Wetlands Vmj: Bogs Vmm: Marshes Vmr: Reefs Vms: Swamps Vmw: Watersheds Vs: Water areas Vsb: Aquifers Vse: Open water Vsj: Fresh surface water features Vsjc: Backwaters Vsjf: Rivers Vsjfs: Streams Vsjfsc: Canyons Vsjfsf: Fords (Hydrology) Vsjfsg: Gullies Vsjfsm: Meanders Vsjp: Lakes Vsjpm: Lagoons Vss: Salt water areas Vssb: Oceans Vssbb: Ocean bottom Vssg: Seas Vssgt: Territorial seas Vssi: Bays Vsss: Estuaries Vv: Areas by point of view Vvd: Domestic Vvf: Foreign Vvi: International Vvib: Binational Vvid: International borders Vvidr: Border regions Vw: Socioeconomic areas Vwa: Countries Vwab: Developed countries Vwad: Developing countries Vwb: States Vwc: Counties Vwq: Regions Vwqm: Metropolitan areas Vwr: Rural areas Vwu: Urban areas Vwub: Business districts Vwubc: Central business districts Vwube: Business parks Vwuc: Cities and towns Vwucc: Cities Vwuccs: Small cities Vwuccu: Medium sized cities Vwuccx: Large cities Vwucs: Suburbs Vwuct: Towns Vwuctn: New towns Vwucts: Small towns Vwv: Residential areas Vwvn: Neighborhoods Vwvs: Subdivisions Vww: Communities Vwx: Industrial areas Vwxb: Brownfields Vwy: Workplaces Vx: Wilderness areas W: Time Wc: Chronological time We: Time periods Wea: Centuries Weab: 15th century Weac: 16th century Wead: 17th century Weae: 18th century Weaf: 19th century Weag: 20th century Weah: 21st century Web: Seasons Webd: Spring Webe: Summer Webf: Fall Webg: Winter Weg: Periods of the day Wegd: Dawn Wegf: Daylight Wegh: Twilight Weghd: Dusk Wegj: Darkness Wegm: Morning Wegn: Afternoon Wego: Evening Wegp: Night Wep: Peak periods Weq: Off peak periods Wg: Time duration Wgj: Years Wgm: Months Wgn: Weeks Wgp: Days Wgpd: Weekdays Wgpe: Weekends Wgph: Holidays Wgpv: Anniversaries Wgq: Hours Wi: Time intervals Wif: Quinquennial Wig: Biennial Wik: Annual Wikh: Semiannual Wikq: Quarterly Wiks: Bimonthly Wim: Monthly Win: Weekly Wip: Daily Wiq: Hourly Wq: Time alteration Wqd: Daylight saving time Wqt: Time zones Wr: Relative time Wrd: Past Wre: Present Wrf: Future Wrg: Time lag Wrl: Lead time Wrm: Running time Wrw: Time dependence X: Information organization Xb: Information management Xbb: Guides to information Xbbc: Classification Xbbcc: Coding systems Xbbccd: Document markup languages Xbbccdh: HTML (Document markup language) Xbbccdx: XML (Document markup language) Xbbccj: Image coding Xbbcck: Color codes Xbbf: Indexes (Information management) Xbbk: Catalogs Xbbm: Guides to the literature Xbbq: Bibliographies Xbbw: Biographies Xbbx: Abstracts Xbby: Syntheses Xbd: Library operations Xbdc: Collection development Xbdm: Cataloging Xbdmj: Indexing Xbdr: Document delivery Xbf: Information systems Xbfd: Decision support systems Xbfdd: Decision trees Xbfg: Geographic information systems Xbfm: Management information systems Xbfr: Real time information Xbk: Data processing Xbkc: Data collection Xbkcb: Automatic data collection systems Xbkd: Data processing operations Xbkdb: Artificial intelligence Xbkdbc: Backpropagation Xbkdbe: Case based reasoning Xbkdbj: Intelligent agents Xbkdbm: Learning (Artificial intelligence) Xbkdc: Data reduction Xbkdd: Data fusion Xbkde: Data logging Xbkdf: Distributed processing Xbkdfc: Client server computing Xbkdfm: Middleware Xbkdfp: Pipeline processing Xbkdg: Data compression Xbkdh: Fault tolerant computing Xbkdi: Data mining Xbkdj: Mobile computing Xbkdm: Multitasking Xbkdn: Neural networks Xbkdp: Parallel processing Xbkdr: Real time data processing Xbkds: Soft computing Xbke: Data entry Xbkg: Data files Xbkgd: Databases Xbkgdd: Data banks Xbkgdf: Distributed databases Xbkgdo: Object oriented databases Xbkgdr: Relational databases Xbkgdw: Data warehouses Xbkgdy: Database management systems Xbkgdyd: Data dictionaries Xbkgdym: Metadata Xbkgp: Data protection Xbkgq: Data quality Xbkj: Software Xbkjb: Computer operating systems Xbkjc: Computer programs Xbkjcp: Spreadsheets Xbkjcs: Subroutines Xbkjj: Interactive computer systems Xbkjm: Multi-agent systems Xbkjs: Software packages Xbkm: Computer programming Xbkmd: Computer programming languages Xbkmm: Programming manuals Xbkmq: Software maintenance Xbkmqc: Configuration management Xbkmqx: Year 2000 date conversion Xbkms: Computer program documentation Xbkmu: Object oriented programming Xbkn: Information storage and retrieval systems Xbknd: Data storage Xbkndf: Formatting Xbknj: Information retrieval Xbknjh: Hypertext Xbknjhw: Websites (Information retrieval) Xbknjhwh: Home pages (Websites) Xbko: Computer network resources Xbkp: Computer output Xbkpb: Computer printouts Xbkpg: Computer graphics Xbkpgc: Computer animation Xbkpgv: Visualization Xbkpm: Computer models Xbkr: Computer networks Xbkrb: Computer architecture Xbkrbp: Open systems architecture Xbkrd: Internetworking (Telecommunication) Xbkrf: Computer network protocols Xbkrfe: Ethernet Xbkrj: Internet Xbkrk: Intranet Xbkrm: Local area networks Xbkrmw: Wireless LANs Xbkrw: Wide area networks Xbks: Computer security Xbksv: Computer viruses Xk: Activities leading to information generation Xkb: Research Xkbr: Research projects Xkbrd: Demonstration projects Xkby: Scientific method Xkbyc: Problem solving Xkbyf: Problem identification Xkd: Studies Xkdb: Before and after studies Xkdc: Case studies Xkdcm: Longitudinal studies Xkde: Cross sectional studies Xkdf: Field studies Xkdg: Laboratory studies Xkdi: Impact studies Xkdie: Environmental impact statements Xkdk: Panel studies Xkdl: Pilot studies Xkdn: State of the art studies Xkdr: Study tours Xkdt: Theoretical studies Xkdw: Time studies Xkf: Surveys Xkfq: Questionnaires Xkh: Hearings Xkhk: Congressional hearings Xkm: Meetings Xkmj: Interviewing Xkp: Conferences Xkv: Lectures Xkw: Workshops Xky: Reconnaissance Xkyc: Aerial reconnaissance Xs: Information dissemination Xsd: Data sharing Xsj: Information services Xsn: News Xsq: Technical assistance Xst: Technology transfer Xx: Documents Xxb: Monographs Xxbb: Brochures Xxbf: Directories Xxbg: Guidelines Xxbh: Manuals Xxbhh: Handbooks Xxbr: Reprints Xxbt: Theses Xxby: Textbooks Xxf: Serials Xxff: Periodicals Xxffe: Ephemerides Xxfn: Newspapers Xxk: Dictionaries Xxkd: Definitions Xxke: Encyclopedias Xxkg: Glossaries Xxl: Registers Xxm: Correspondence Xxp: Patents Xxpa: Patent applications Xxq: Reviews Xxqa: Annual reviews Xxqm: Literature reviews Xxr: Reports Xxra: Annual reports Xxrr: Research reports Xxrs: State of the art reports Xxrt: Technical reports Xxrv: Reports of visits Xxs: Specifications Xxsp: Performance based specifications Xxss: Standards Xxt: Tables (Data) Xxu: Forms (Documents) Xxv: Visual presentations Xxve: Pictures Xxved: Drawings Xxvedp: Perspective views Xxvedr: Plans (Drawings) Xxvedt: Technical drawings Xxvep: Photographs Xxvepe: Electron micrographs Xxvepo: Orthophotographs Xxveps: Stereoscopic models Xxvg: Graphs Xxvh: Diagrams Xxvhb: Contours Xxvhc: Cross sections Xxvhf: Flow charts Xxvhh: Flow net Xxvhk: Histograms Xxvm: Maps Xxvmc: Charts Xxvmcp: Design charts Xxvmcs: Nomographs Xxvmcu: Organization charts Xxvmk: Contour maps Xxvmm: Digital maps Xxvmt: Topographic maps Xxvmy: Atlases Xxw: Multimedia Xxwa: Audiovisual aids Xxwv: Visual aids Xxx: Translations Xxy: Legal documents Xxyt: Testimony Xy: Physical media (Information management) Xyb: Print on paper documents Xyd: Microforms Xyh: Audio media Xyht: Audio tapes Xyk: Visual media Xykm: Motion pictures Xykp: Film Xykpc: Color film Xym: Electronic media Xymc: Punched cards Xymd: Floppy disks Xymr: CD-ROM Xyms: DVDs Xymt: Magnetic tapes Xymtv: Videotapes
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