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Windows, doors and lifting and sliding doors and gates of metal; metal window and door frames; openable elements and fixed elements of metal for glass facades and other building facades; fire- resistant windows and doors of metal; fittings of metal for doors and windows; handles of metal for windows; outdoor blinds, Venetian blinds and jalousies of metal; sun screens [outdoor], of metal; sun louvres of metal for buildings; insect screens of metal; porches of metal [building]; shutters of metal; ventilation grilles of metal for fitting in windows; ventilation grilles of metal for fitting in doors. Ventilation [air-conditioning] installations and apparatus; ventilation terminals; residential ventilating units. Windows, doors and lifting and sliding doors and gates, not of metal; window and door frames (not of metal); openable elements and fixed elements, not of metal, for glass facades and other building facades; facade elements of glass; window glass, except glass for vehicle windows; glazing (non-metallic -) having fire resistant properties; outdoor blinds, Venetian blinds and jalousies, not of metal; insect screens, not of metal; shutters, not of metal. Ventilation grilles (non-metallic -) for fitting in doors; ventilation grilles (non-metallic -) for fitting in windows. Awnings not of metal; awnings of textile. Installation, assembly, maintenance and repair of facade elements of glass, windows, doors, gates, shutters; installation, assembly, maintenance and repair of sun protection installations, including roller blinds, Venetian blinds, jalousies and awnings; installation of glass and glazing units.