Common metals, namely, ingots of common metal; common metal alloys, namely, copper alloys, nickel alloys, lead alloys; ores of metal, namely, copper ores, iron ores, lead ores; processed metal ores, namely, semi-worked common metals for further manufacture; copper, namely, copper ores, copper alloys; copper based alloys in wrought form, namely, castings, foils, powder, and rolled, drawn or extruded semi-finished articles made of copper; copper, unwrought or semi-wrought, namely, castings, foi...