6 Steel in sheet, rod, bar and/or billet form; casting alloys; metal alloys and bars for further manufacture; construction elements made of metal, namely, shores, supports and braces; drain pipes made of metal; elbows of metal for pipes; girders of metal; metal beams; metal building materials, namely, cladding, flashing, soffits, fascia, roofing hips, roofing panels and roofing tiles, metal runners for sliding doors, metal sliding doors, window frames and sills; metal cable wire; metal casters; metal castings; metal cladding for construction and building; metal hardware, namely, springs, pulleys, nuts and washers; metal joists; metal junctions for pipes; pipes and tubes made of metal; portable metal buildings; prefabricated metal buildings; metal pipe fittings; metal fasteners, namely, bolts nails, rivets, screws; metal pipe couplings and joints; metal moldings; metal railroad ties; metal rods for brazing and welding; metal scaffolding; metal windows shutters; aluminum siding