Alloys of common metal; Brackets of metal for building; Building materials of metal; Frames of metal for building; Rails of metal; Roofing of metal, incorporating photovoltaic cells; Frames of metal for structures; Metal frames of extruded shapes; Sub-frames of metal; Structural support members of metal; Articles of metal hardware for roofs; Building materials of metal for roofs; Prefabricated roof structures of metal; Structural frames of metal for building; Roof construction materials of metal; all of the aforementioned excluding valves or actuators therefor

Solar panels for the production of electricity; Solar batteries; Electricity generating solar cells and panels; Solar collectors for electricity generation; Solar energy operating apparatus; Electric power supply units; all of the aforementioned excluding valves or actuators therefor

Advisory services relating to the construction of buildings; Building construction supervision; Civil engineering (construction and maintenance); Construction; Construction consultation; On-site construction supervision; Structural engineering services (construction); Roofing services; Installation of solar energy systems; Maintenance and repair of buildings