6 Copper foils, tapes, flakes, powder, and rolled, drawn or extruded semi-finished articles of copper or its alloys; non-insulated copper wire, copper rings, brass foils, tapes, flakes, powder, and rolled, drawn or extruded semi-finished articles of brass or its alloys; copper and zinc alloys, namely, tombac; bronze foils, tapes, flakes, powder, and rolled, drawn or extruded semi-finished articles of bronze or its alloys, including those for works of art; alloys of base metals; nickel foils, tapes, flakes, powder, and rolled, drawn or extruded semi-finished articles of nickel or its alloys; nickel-silver alloys; argentan namely German Silver, silver solders; tin foils, tapes, flakes, powder, and rolled, drawn or extruded semi-finished articles of tin or its alloys; tin alloys, tin plating; aluminum wire, aluminum foils, tapes, flakes, aluminum platings; metal foils, tapes, flakes, for packaging purposes; metal plates, namely copper, copper and zinc alloys, brass, bronze, alloys of base metals, nickel, nickel-silver alloys, German silver, tin or its alloys and aluminum; plate coverings made of metal, namely copper, copper and zinc alloys, brass, bronze, alloys of base metals, nickel, nickel-silver alloys, German silver, tin or its alloys and aluminum