Manufacture of basic precious and other non-ferrous metals

This class includes: - production of chrome, manganese, nickel etc. from ores or oxides - production of chrome, manganese, nickel etc. from electrolytic and aluminothermic refining of chrome, manganese, nickel etc., waste and scrap - production of alloys of chrome, manganese, nickel etc. - semi-manufacture of chrome, manganese, nickel etc. - production of mattes of nickel

This class excludes: - casting of non-ferrous metals, see 24.53, 24.54