![](https://webarchive.library.unt.edu/eot2008/20090105231151im_/https://saver.fema.gov/themes/tacitBlue/images/interface/blank.gif) |
Affordability - Based on maintenance costs, cylinder compatibility, and certification to repair.
Capability - Based on drag attachments, upgradable, complatible with ancillary equipment, belt adjustment range, and bail-out device.
Deployability - Based on quick donability, vehicle space requirements, and ease of carrying.
Maintainability - Based on durability, ease of cleaning, storage requirements and maintenance manual.
Usability - Based on | ![](https://webarchive.library.unt.edu/eot2008/20090105231151im_/https://saver.fema.gov/themes/tacitBlue/images/interface/blank.gif) |