Oficialūs aprašymai pateikiami originalo kalba (anglų).
This class includes: - production of basic precious metals: • production and refining of unwrought or wrought precious metals: gold, silver, platinum, etc., from ore and scrap - production of precious metal alloys - production of precious metal in semi-manufactured or in powder forms - cladding of base metals with a covering of silver, gold or platinum, affixed by soldering, brazing, welding, hot-rolling or similar mechanical means
This class also includes: - manufacture of wire of precious metals by drawing - manufacture of precious metal plates, sheets, strips and foil laminates - silver recovery from waste and scrap by electrolytic refining - melting and casting of precious metal into ingots, blocks or similar forms
This class excludes: - casting of copper, zinc and other non-ferrous metals, see 24.54 - manufacture of precious metal jewellery, see 32.12