Modular portable building structures (metal); Metal materials for use in civil engineering; Products of metal for use in structural engineering; Articles of metal for use in the civil engineering industry; Articles of metal for use in the engineering industry; Jointing articles of metal (non-electric); Building components of metal; Building elements made of common metal alloys; Building elements made of common metals; Building elements of metal; Building extensions (structures) of metal; Building fittings of metal; Building frameworks of metal; Building materials made principally of common metal; Building materials made principally of common metal alloys; Building materials made wholly of common metal; Building materials made wholly of common metal alloys; Building materials of metal; Moulded building materials of metal; Connecting clips (non-electric) of metal; Connection elements (non-electric); Non-electric connecting sockets of metal; Plug-in connections of metal (non-electric); Modular units of metal for constructing prefabricated buildings; Prefabricated buildings (metal); Articles made of common metal for use in building; Articles made of common metals for handling loads; Articles made of common metals for lifting loads; Articles made of common metals for restraining loads; Articles made of common metals for transporting loads; Plug-in connectors of metal (non-electric)