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Metal building materials; pipes, panels, sheets and plates of metal and films for windows, doors, gates, staircases, balconies, facades, skylights, solar collectors and frames; profiled metal sections [semi- finished]; extruded aluminium sections; mouldings of metal for building; door sections of metal; windows of metal; metal doors; gates of metal; staircases of metal; metallic divisions [partitions]; facades of metal; prefabricated balconies [metal]; greenhouse frames of metal; frames of metal for building; metal building materials; jalousies of metal; bannisters of metal; metal railings for balconies; window sills of metal; guttering of metal for the dispersal of rain- water; roof gutters of metal; rain shelters of metal; letter boxes of metal; fences of metal; frameworks of metal; metal hardware; metal hardware; mechanical closing and opening devices for windows, doors and gates; transportable buildings of metal, including mobile pavilions and exhibition stands; all of the aforesaid goods being of metal, including combined with glass, wood or plastic, included in this class. Measuring, control and regulating apparatus for buildings, windows, doors, shading installations, solar heating installations, photovoltaic installations, solar collectors, air-conditioning installations, air filtering installations, heating installations, lighting installations, and parts therefor, included in this class; measuring apparatus; controllers (regulators); apparatus and instruments for controlling electricity; computers; software; sensors; smoke alarms; electric sensors; optical sensors. Ventilation (air-conditioning) installations and apparatus; heat exchangers, other than parts of machines; air conditioning installations; air filtering installations; filters for air conditioning; lighting installations; luminaires; luminaires; apparatus for heating; heating installations. Building construction; installation of glass in conservatories, windows, doors and greenhouses; installation of doors and windows; installation of doors and windows; installation of window fittings; construction of staircases; redressing facades; installation of ventilation installations; installation of lighting apparatus; installation of lighting systems; installation of sun protection systems; window repair, window maintenance; building consultancy. Building design services; construction drafting; consultancy in the field of architecture; software design and development; design and development of computer hardware.