1
Water and waste water treatment substances; manures, at least partly made from sewage sludge; water and waste water purification substances
6
Sewerage systems, namely pipes of steel and copper; water and waste water sedimentation beds of steel
7
Water and waste water extraction installations, water and waste water pumps, waste water separation installations
9
Water and waste water analysers, water and waste water measuring stations, waste water turbidimeters; water and waste water sampling apparatus; water and waste water volumeters; water and waste water measuring vehicles, water and waste water analysis apparatus
11
Water and waste water treatment installations, water and waste water aeration installations, waste water decontamination installations for nuclear power stations, water and waste water disinfection installations, water and waste water distillation installations, water and waste water evaporation installations, water and waste water decontamination installations, water and waste water filters, waste water filter presses, water and waste water flocculation installations, water and waste water flotation installations, water and waste water faucets, water and waste water pumping installations, water and waste water neutralisation installations, water and waste water recycling installations, water and waste water purifying installations, water and waste water agitating machines, water and waste water accumulators, water and waste water straining installations, waste water centrifuges, waste water treatment apparatus; machines, mechanical apparatus, water supply and waste water treatment apparatus and/or installations constructed therefrom, water supply installations, sewerage systems; apparatus for aerobic and anaerobic water and waste water treatment, biological water and waste water treatment, including nitrification and denitrification, water and waste water filtration, water and waste water treatment with adsorption agents and flocculating agents, water and waste water desalination, water and waste water disinfection, water and waste water aeration, water and waste water distillation, water and waste water treatment using reverse osmosis, micro-filtration, ultra-filtration or nano-filtration, water and waste water extraction, water and waste water neutralisation, the removal of iron from water and waste water, water and waste water degassing, water and waste water decalcification, water and waste water demanganizing, water and waste water softening, water and waste water ozonisation, the treatment of water and waste water with chlorine, for the chemical, physical, thermal, biological treatment of water and waste water
19
Water and waste water sedimentation beds of concrete and/or plastic; sewerage systems, namely pipes of concrete, plastics, in particular PVC
35
Commercial consultancy for the business management of drinking water and waste water treatment installations, business management, management and personnel support for water supply and waste water sanitation companies
36
Financial support for water supply and waste water sanitation companies
37
Sewer construction
39
Water supply services, namely the distribution and supplying of water
40
Water and waste water treatment, water and waste water purification, water and waste water recycling; sewage sludge recycling, namely disinfection, drying, draining, incineration of sewage sludge, anaerobic stabilisation, landfilling, decomposing, aerobic treatment using oxygen
42
Water and waste water analysis, consultancy, providing of expertise and planning for water and waste water treatment services, consultancy and engineering for waste water disposal services, consultancy, providing of expertise and planning for water and waste water technology services, water and waste water analysis, water quality assurance, engineering services, physics services, chemistry services, namely technical consultancy for companies and public organisations in the field of water and waste water, development, planning, design and conducting of, and consultancy with regard to authorization procedures for water supplying and waste water treatment installations, accommodation of environmental obligations with regard to water supplying and waste water treatment installations, process engineering, control engineering and sensor technology services in water supplying and waste water treatment installations, recording, analysis and evaluation services, biological, chemical and/or physical sanitation of polluted water; technical support for water supply and waste water sanitation companies