Establishments primarily engaged in recovering nonferrous metals and alloys from new and used scrap and dross or in producing alloys from purchased refined metals. This industry includes establishments engaged in both the recovery and alloying of precious metals. Plants engaged in the recovery of tin through secondary smelting and refining, as well as by chemical processes, are included in this …
Examples: Aluminum extrusion ingot, secondary, Aluminum smelting and refining, secondary, Antimonial lead refining, secondary,