19 Building materials wholly or partly consisting of mineral building materials, cement concrete, plastic concrete, plastic, rubber and rubber substitute materials, earthenware, porcelain, glass, mineral cast iron, in particular for drainage installations in civil engineering projects, water constructions, road building, sports field construction and building construction, namely, prefabricated building elements for the construction of installations, for the collection, treatment and drainage of water, surface water, waste water and other liquids, in particular for channel or surface drainage systems; drainage channels, inflow basins and containers, intermediate containers, catch basins, gutter basins, sludge buckets being gullies, prefabricated inspection chambers, floor drains with and without odor traps, covers, covering grates and covering grid plates, covering plates, manhole covers with and without perforations, dirt bucket sieves and rakes, pipe ducts for walls and windows, all the aforesaid goods not of metal; drainage plates not of metal; shaped parts of plastic for the drainage of buildings, ventilating and aerating grilles, inner and outer shrouds; frames, angle frames, covering grates and floor basins for shoe cleaning apparatus; plastic and wooden doors, door and window frames, pre-fabricated windows, hopper windows and basement hopper windows with and without integrated roller blinds; profiles not of metal for doors and windows, namely, built-in frames, soffit frames, protective grating, grilles, door and window frames, window casements and door leaves, cellar lightwells with and without lightwell grates, drainage pieces for cellar lightwells; building glass for doors, windows for buildings, in particular being single glass, insulating glass and double glass panes, and triple glass panes; doors and windows glass made of plastic or acrylic glass; pipes, not of metal, for civil engineering, hydraulic engineering, road construction, sports field construction and building construction, drainage pipes, aeration and ventilation tubes and inlet and waste water pipes, in particular flexible and non-flexible tubes, telescopic tubes, angled tubes, t-sections for pipes, curved pipes, branching pipes, cleaning tubes, rubble drain pipes, drainage pipes for building; prefabricated construction parts not of metal for the construction of inspection chambers, flushing shafts and collection pits in drainage installations; including parts and accessories for all the aforesaid goods not of metal; trench bodies and components for infiltration trenches, in particular base elements and side walls for infiltration trenches of plastic, inspection manholes and manhole coverings for infiltration trenches of plastic; fittings for infiltration trenches of plastic; stabilisation fabrics being geotextiles for use in construction