Aluminium; common metals, unwrought or semi-wrought; aluminium foil; sheets and plates of metal; ingots of common metal; building materials of metal; building boards of metal; wall linings of metal (building); doors of metal; aluminium wire; windows of metal; signboards of metal; tanks of metal; welding (rods of metal for - ); works of art of common metal; ores of metal; pipes of metal; ironmongery; fittings of metal for furniture; fittings of metal for windows