steel alloys; aluminium; chains of metal; doors of metal; copper, unwrought or semi-wrought; staircases of metal; pipes of metal; badges of metal for vehicles; door handles of metal; aluminium foil; works of art of common metal; barrels of metal; building materials of metal; shuttering of metal for concrete; boxes of common metal; sealing caps of metal; tile floorings, of metal; framework of metal for building; ironwork for doors; clothes hooks of metal; hooks of metal for clothes rails; ladders of metal; props of metal; sheets and plates of metal; fittings of metal for furniture; door fittings of metal; registration plates of metal; tool boxes, empty, of metal; trays of metal; balustrades of metal