6 Common metals and their alloys; metal building materials, namely, ceiling panels, wall panels, exterior wall panels and cladding, roof panels, fascia; metal building materials, namely, louvers for guiding light and sunshades in the nature of metal louvers for guiding light; metal building materials, namely, baffles for ceilings for sound control purposes, grilles, namely, metal vent covers for metal ventilation ducts, railings, gates, door fittings; metal building materials, namely, shading panels in the nature of metal louvers for guiding light; metal building materials, namely, metal housings in the nature of metal enclosures for connecting acoustic wall panels and a metal cover for electrical connections of light fixtures, column coverings, beams, and door hardware in the nature of hinges, sliding door tracks, sliding door trolleys being sliding door tracks, door handles and thresholds; transportable buildings of metal; materials of metal for railway tracks; nonelectric cables and wires of common metal; ironmongery being metal hardware, namely, nuts, washers, screws, bolts, springs, pins, brackets for building, rivets, studs, shims, standoffs, retaining rings, hinges, metal door kick plates, and clevises fasteners; pipes and tubes of metal; safes; perforated, woven and unwoven metal mesh made of common metal building material being ceiling panels, wall panels, exterior wall panels and cladding, roof panels, fascia; metal building materials, namely, louvers for guiding light; metal ore; Metal materials for building and construction, namely, ceiling boards, wall boards and floor boards; Metal suspended ceiling systems comprising panels; wall panels of metal; metal ceiling panels; acoustic wall panels made of metal; Metal woven covers for use as wall and ceiling panels