11
Water purification installations; water purifying apparatus and machines, namely water filters, water filtering apparatus, deferrisation, de-acidifying, demanganising, precipitating, hardening, sterilising, demineralising, softening and degassing apparatus and equipment; apparatus and equipment for filtering chemical liquids, ion exchangers for treating and purifying water and chemical liquids; components for integrated intake constructions for extracting river water by means of lifting pipelines or pumps, namely bar screens, strainer racks, screening drums and pumps; components for integrated river water plants, namely bar screens, strainer racks, screens, pumps, detritus chambers, quick-run filters; components for integrated chemical stations for water purifying installations consisting of release and sedimentation tanks, dosing and storage installations, outlet and transport devices for chemicals; preliminary sedimentation apparatus and equipment for domestic water; waste water clarifying and purifying installations, for both municipal and industrial waste water purification, biofiltration installations, membrane filtration installations, bioreactors for purifying industrial waster water; service water treatment installations for treating fresh water and circulating water; drinking water treatment installations for treating surface water and ground water, multi-barrier systems; desalination installations for sea water and briny water; evaporators, evaporation installations; driers for industrial purposes, fluidised bed driers, sludge driers, sludge treatment installations
35
Business management and organisation consultancy and professional business consultancy concerning water installations, namely waste water clarifying and purifying installations, service water treatment installations, drinking water treatment installations, desalination installations, and concerning evaporation installations, driers and sludge treatment installations; professional business management of water installations, namely waste water clarifying and purifying installations, service water treatment installations, drinking water treatment installations, desalination installations, and of evaporation installations, driers and sludge treatment installations
37
Construction, assembly, assembly supervision, commissioning, maintenance, retrofitting and repair of water installations, namely waste water clarifying and purifying installations, service water treatment installations, drinking water treatment installations, desalination installations; construction, assembly, assembly supervision, commissioning, maintenance, retrofitting and repair of evaporation installations, driers and sludge treatment installations
42
Technical consultancy, planning and design of water installations, namely waste water clarifying and purifying installations, service water treatment installations, drinking water treatment installations, desalination installations; technical consultancy, planning and design of evaporation installations, driers and sludge treatment installations; scientific and industrial research and development, and creating technical process models for water installations, namely waste water clarifying and purifying installations, service water treatment installations, drinking water treatment installations, desalination installations, and for evaporation installations, driers and sludge treatment installations