This class covers the mining of precious metals such as gold, silver, platinum and other precious metals. This also includes activities processing of to remove non-metallic parts.

This class includes :

Mining and preparation of ores valued chiefly for non-ferrous meral content : aluminum (bauxite), copper, lead, zinc, tin, manganese, chrome, nickel, cobalt, molybdenum, tantalum, vanadium, etc.