19 Construction materials consisting wholly or partly of mineral construction materials, cement concrete, plastic concrete, plastic, rubber and rubber substitutes, earthenware, porcelain, glass, mineral casting, in particular for drainage installations in civil engineering, hydraulic engineering, road construction, sports field construction and building construction, namely, drainage channels, drainage gullies, manhole covers, water retention units and rainwater storage tanks of masonry; Pre-fabricated components, not of metal, for building installations for collecting and draining water, surface water, waste water and other liquids, in particular for channel drainage, point drainage or surface drainage, namely, drainage channels, drainage gullies, manhole covers, water retention units and rain water tanks; Drainage channels, inlet boxes and containers, intermediate containers, throttle shafts, catch basins, downspout boxes, sludge traps, prefabricated inspection chambers, floor drains with and without odor traps, covers for drains, cover gratings for drains, cover grilles for drains, cover plates, manhole covers with and without perforations, dirt collection sieves, wall and window feedthroughs for pipes, none of the aforesaid consisting of metal; Drainage plates not consisting of metal; Shaped parts of plastic for the drainage of buildings, Ventilating and aerating grilles, inner and outer shrouds, namely, non-metal door frames, angle frames, covering grates and floor basins for shoe cleaning apparatus; Doors, door and window frames, prefabricated windows, awning windows and awning basement windows with and without integrated roller blinds, profiles, not of metal, for doors and windows, namely, installation frames, awning window frames, protective grilles, decorative grilles, blind frames and casements, basement light wells with and without a light well grate, drainage connections for basement light wells, all of the aforesaid made from plastic and wood; Building glass for doors, windows for buildings, in particular being single glass, insulating glass and double 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 non-metal construction parts for the construction of inspection chambers, flushing shafts and collection pits in drainage installations, namely, side walls, base and top plates, and connection elements; Non-metal parts and accessories for all the aforesaid goods sold together as a unit; Infiltration trenches 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; Stabilization fabrics, namely, geotextiles for use in construction