6 Building and construction materials and elements of metal; unprocessed and semi-processed materials of metal; metal hardware; glazed or unglazed doors, gates, windows and window coverings of metal; buildings and transportable buildings of metal, and parts therefor, including balcony glazing, partitions, verandas and conservatories or other extensions, folding systems and/or sliding systems, facades, partitions, panel elements, sliding walls, parallel slide and tilt doors, projecting balconies with and without integrated folding window systems, balcony roofing, entrances for shops, houses and flats, and for conservatories; ground rails, guide rails, wing connections, profiles, fittings, drives, locking mechanisms, connectors, rafters, connections for eaves, corner supports, wall connections, all of the aforesaid goods being of metal; parts and accessories for all the aforesaid goods, included in this class