6 [ Metal pulleys that are not machine elements, ] metal springs that are not machine elements, [ wire ropes, metal seals for land vehicles, ] hose clamps of metal for radiators [, Irons and steels, nonferrous metals and their alloys, namely, copper and its alloys, lead and its alloys, zinc and its alloys, aluminum and its alloys, magnesium and its alloys, nickel and its alloys, titanium and its alloys, chrome and its alloys, manganese and its alloys and silicon and silicon alloys; metal materials for building or construction, namely, fasteners for casement windows, shutters, hinges, sliding door pulleys or rollers, doors, door handles, door closers, windows, window frames, window pulleys and gates; metal joinery fittings, metal hardware, namely, washers, nuts, bolts, rings, chains and casters; industrial packaging containers of metal, not including metal stoppers, lids and caps, metal stoppers for industrial packaging containers, metal lids and caps for industrial packaging containers, metal valves that are not machine elements, metal keys for locks, metal junctions for pipes, metal flanges, cotter pins, wire nets and gauzes, metal safes, Venetian blinds of metal caps, metal stoppers for industrial packaging containers, metal lids and caps for industrial packaging containers, metal valves that are not machine elements, metal keys for locks, metal junctions for pipes, metal flanges, cotter pins, wire nets and gauzes, metal safes, Venetian blinds of metal ]