This sub-class includes: Mining of aluminium, copper, lead, zinc, tin, manganese, chrome, nickel, cobalt, molybdenum, tantalum, vanadium.
This sub-class excludes: - Mining and preparation of uranium and thorium ores, see 07210 (Mining of uranium and thorium ores); - Production of aluminium oxide and mattes of nickel or of copper, see 24202 (Manufacture of non-ferrous metals).