Metal building materials, in particular, prefabricated construction elements for building installations for collecting and removing water, surface water, waste water and other liquids, for drainage installations in civil engineering, hydraulic engineering, road construction, sports field construction and building construction, channel drainage, point drainage and surface drainage, namely, drainage channels, inlet boxes and containers, intermediate containers, throttle shafts, catch basins, downspout boxes, sludge traps, prefabricated inspection chambers, floor drains with and without odour traps, covers, cover gratings, cover grilles, cover plates, manhole covers with and without perforations, dirt collection sieves and rakes, pipe and hose connections, clamps, pipe muffs, pipe caps, pipe sealing ends, wall and window feedthroughs for pipes, all of the aforesaid consisting of metal; Seepage plates of metal; Shaped parts of metal for the drainage of buildings, namely, gutters and gutter pipes; Prefabricated components of metal for aerating and ventilating installations for buildings, namely, ventilating and aerating grilles, profiles of metal for building, in particular, cover gratings and floor troughs for shoe scrapers; Window frames, prefabricated windows, awning windows and awning basement windows, all made from metal; Profiles for windows and doors of metal, 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; Pipes and tubes of metal in particular for civil engineering, hydraulic engineering, road building, sports ground construction and building construction; Metal drainage pipes, ventilation pipes, supply pipes and waste water pipes, in particular flexible and non-flexible pipes, telescopic pipes, ells, T-pieces, pipe bends, branching pipes, cleaning pipes, drainage conduits, drainage pipes for building; Prefabricated construction parts of metal for the construction of inspection chambers, flushing shafts and collection pits in drainage installations; Structural and replacement parts and accessories for all the aforesaid goods

Machines for sewage treatment, in particular, separators for lightweight or heavy materials, namely, sediment traps, petrol separators, separators for lightweight mineral liquids, starch separators and coalescence separators; Pumping stations, comprising pumps, motors, and valves for surface water removal, sewage removal and sludge removal; Parts and accessories for the aforesaid goods, namely, prefabricated basins and containers, covers, floats, equilibrium float valves, closures, gravity barriers, sludge outlets, oil suction devices and filters

Films of plastic or viscose for building purposes, in particular, for cladding infiltration trenches; Plugs for infiltration trenches of plastic; Connecting pieces, namely, junctions, not of metal, for pipes, for connecting inlets, outlets or vents to infiltration trenches of plastic; Connecting means of plastic, namely, junctions of plastic, not of metal, for pipes of plastic, in particular for connecting infiltration trenches to one another

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, drain bases and grates, non-metal pipes, plastic conduit for channel drainage, point drainage or surface drainage for drainage installations in civil engineering, hydraulic engineering, road construction, sports field construction and building construction; 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, inlet boxes and containers, intermediate containers, throttle shafts, catch basins, downspout boxes, sludge traps, prefabricated inspection chambers, floor drains with and without odour traps, covers, cover gratings, cover grilles, cover plates, manhole covers with and without perforations, dirt collection sieves and rakes, wall and window feedthroughs for pipes, none of the aforesaid consisting of metal; Non-metal drainage plates; Shaped parts of plastic for the drainage of buildings, ventilating and aerating grilles, inner and outer shrouds; Non-metal frames, angle frames, covering grates and floor basins for construction of shoe cleaning installations in buildings; Non-metal components of doors, door and window frames, prefabricated windows, awning windows and awning basement windows with and without integrated roller blinds, profiles, 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; Non -metal prefabricated construction parts, for the construction of inspection chambers, flushing shafts and collection pits in drainage installations; Non- metal structural and replacement parts and accessories for all the aforesaid goods; Plastic 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 of water retention installations, water storage installations and drainage installations