Architectural metal work for use in buildings; buildings being fixed metal structures; buildings of metal; articles of metal for use in buildings; metal modular building units; metal reinforced structures for buildings; metal relocatable buildings; modular units of metal for constructing prefabricated buildings; modular units of metal for constructing relocatable buildings; pre-formed building sections of metal; ready made building components (metal); sections of buildings of metal; sections of metal for use in buildings; building materials made principally of metal; building materials of metal; bearings of metal (structural supports for use in building); brackets of metal for building; building bolts of metal; building castings of metal; building components of metal; building elements made of metal; building extensions (structures) of metal; building fittings of metal; building frame works of metal; building panels of metal; building parts of metal; building products of metal; building structures of metal; cladding of metal for building; facings of metal for buildings; finishing materials of metal for use in building; interlocking panels of metal for building; metal goods for use in buildings; metal joining materials for use in buildings