Manufacture of basic precious and non-ferrous metals n.e.c.

This sub-class includes manufacture of basic precious and non-ferrous metals not elsewhere classified: Examples: - manufacturing of aluminium, zinc, lead, copper, chrome, manganese, nickel, from electrolytic and/or aluminothermic refining of metal waste and/or scrap - semi-manufacturing of: aluminium, chrome, manganese, nickel, copper, lead, zinc and/or tin - smelting and refining of tin and making tin ingot - refining of unwrought or wrought precious metals - manufacturing of precious metal foil laminates