Alloys of common metal; aluminium; aluminium alloys; foil of aluminium or its alloys; aluminium foil stock; wire of aluminium or its alloys; sheets of aluminium or its alloys; plates of aluminium or its alloys; coils of aluminium or its alloys; aluminium in liquid form; metal in liquid form; clad sheets of aluminium or its alloys; clad plates of aluminium or its alloys; bright aluminium; common metals, unwrought or semi-wrought; castings, foils, powder and liquid, rolled, drawn or extruded semi-finished articles of aluminium or its alloys; metal forgings; forgings of aluminium and its alloys; ingots of aluminium or its alloys; billets of aluminium or its alloys; rolling ingots; casting ingots; ingots of common metal; rods of metal; brazing alloys; floor tiles of metal, of aluminium or its alloys; building materials of metal, of aluminium or its alloys, namely, floor panels; staircases of metal, of aluminium or its alloys; stair treads [steps] of metal, of aluminium or its alloys; sheets and plates of metal