6 Common metals and their alloys, in particular curable alloys, iron alloys, steel, copper alloys, copper-zinc alloys, brass, special brass, copper-tin alloys, bronzes, copper-tin-zinc alloys, copper-nickel-tin alloys, copper-nickel-zinc alloys, copper-nickel-zinc-lead alloys, copper-nickel-silicon alloys primarily comprised of copper; common metals and their alloys, in particular German silver, copper-iron alloys, light metals and their alloys, aluminum alloys, copper-zinc-aluminum alloys; goods made from the above common metals and alloys, namely, strips in the nature of metal sheets, surface-coated strips in the nature of metal sheets, profiled strips in the nature of metal sheets and stepped strips in the nature of metal sheets, sheets, and non-electric wires, namely, solid wires and stranded wires forming mechanical wires, contact wires formed as cables, and non-electric catenary cables of metal; goods made from the above common metals and alloys, namely, semi-finished products in the nature of sheets, plates, rods, hollow rods, pipes, coils, slabs, ingots and tubes, metal bars for further manufacture, contact wires, die forging parts in the nature of ring shaped fittings of metal; goods made from the above common metals and alloys, namely, disk-shaped and annular metal pieces and sheets both in the nature of circular metal sheets; goods made from the above common metals and alloys, namely, steel rods, hollow steel rods, decorative metal profiles for use in further manufacture; goods made from the above common metals and alloys, namely, decorative metal profiles that are hollow for use in further manufacture, pipes, and key blanks; goods made from the above common metals and alloys, namely, shaped parts of metal in the nature of sheets, rods, bars, and billets; goods made from the above common metals and alloys, namely, rolled and cast components in the nature of sheets, bars, ingots, slabs, rods and billets