3499 Fabricated Metal Products, Not Elsewhere Classified Establishments primarily engaged in manufacturing fabricated metal products, not elsewhere classified, such as fire or burglary resistive steel safes and vaults and similar fire or burglary resistive products; and collapsible tubes of thin flexible metal. Also included are establishments primarily engaged in manufacturing metal boxes, metal ladders, and metal household articles, such as ice cream freezers and ironing boards. Establishments primarily engaged in manufacturing concrete burial vaults are classified in industry 3272, and metal burial vaults are classified in industry 3995. Establishments primarily engaged in manufacturing advertising novelties are classified in industry 3993.