Architectural fasteners of metal; architectural hardware made of common metals; architectural metalwork for use in building; beams of metal; blind bolt fasteners of metal; brackets of metal for building; building frameworks of metal; building products of metal; building structures of metal; channels of metal for use in constructing framed supports; components of metal for buildings; fittings of metal for buildings; framework of metal for building; meshes of common metal; metal bolts (fasteners); metal construction materials; metal fastening devices for building purposes; metal frames of extruded shapes; metal hardware for buildings; metallic frames for windows; products made of metal for use in building and construction; roof components of metal; roof construction materials of metal; screw threaded fasteners of metal; space frame structural units of metal; structures of metal for buildings; support fixings of metal for building structures