6 Common metals and their alloys; lacquer coated steel; transportable buildings of metal; metal building materials, namely, rebar, steel rebars, columns, namely, steel columns, solid and castellated beams, decking roofing, soffit, fascia, trusses, namely, steel trusses, rafters namely, steel rafters, studs, namely, steel rafters, joists, beams, brackets, mounts, namely, steel mounting brackets, decking, and panels, namely, steel roofing panels; sheets and plates of metal, namely, steel sheets used to create cold formed steel building materials, steel plates used to fabricate structural shapes and molds, base plates, namely, steel base plates; coated sheet metal, plaques of common metal, cladding of metal for building, coverings, namely, metal roofing, metal siding, cladding of metal for construction and building, metal building materials, namely, soffits, facia, facings of metal for construction and building, ceiling boards of metal, ceiling supports of metal, and metal decking; facings, namely, steel decorative facings for interior aesthetics; profiled and composite panels, namely, insulated metal wall and roofing panels; multilayer panels, namely, building materials in the nature of composite panels composed primarily of metal; insulating metal partitions, namely, metal partitions for buildings; and metal panels, namely, building materials in the nature of composite panels composed primarily of metal; steel tubs; pipes and tubes of metal; laminate and profile metal sections, such as heavy and lightweight profile sections of metal, namely, structural shapes, namely, hot-rolled wide-flange, standard, HP, channel, angles, M structural shapes, namely, steel M structural shapes, and tees split from hot-rolled W-, S- and M-shapes used as beams, bracing, canopy framing, columns, connection material, crane stops, door frames, edge angles and plates, embedded structural steel parts, expansion joints, fasteners, floor-opening frames, girts, grillage beams and girders, hangers, lintels, marquee framing, machinery supports, monorail elements, posts, purlins, relieving angles, roof-opening frames, floor-screen support frames, struts, trusses, wall-opening frames, namely, steel wall-opening frames; metal joists