6 Common metals and their alloys; Metal building materials, namely, flooring, roofs, boards for siding and partitions, floor boards, portable free-standing barriers, doorway barriers, curtain walls, stairs, ramps, wall panels, wall dividers, space dividers, tubing, siding, guard rails, star rails; Metal trusses for stages, concerts, portable building structures, sound and lighting towers, rigging towers, gates, exhibition spaces, arenas, retail spaces and displays; Transportable buildings of metal; Materials of metal for railway tracks; Non-electric cables and wires of common metal; Ironmongery in the nature of small items of metal hardware, namely, nuts, pulleys, washers, couplers, caps and pins for use in truss systems, small connectors, clamps, screws, buckles used to fasten trusses, truss couplers, base plates, spacers, hinges; Pipes and tubes of metal; Metal Safes; Goods of common metal not included in other classes, namely, banner frames, boxes, door knobs, metal support bars, metal outriggers, metal ground support sleeves, metal mounts for entertainment and sound equipment [ ; Metal ores ]