Water purification installations; water purifying apparatus and machines, including filters for drinking water, water filtering apparatus, iron removal apparatus, disacidification apparatus, demanganization apparatus, precipitation apparatus, hardening apparatus, disinfection apparatus, desalination apparatus, water-softening apparatus and degassing apparatus; apparatus for filtration of chemical liquids, ion exchangers for conditioning and purifying of water and chemical liquids; parts of complete structures for river water intake by means of siphon pipes or pumps, including coarse screens, fine screens, or drum-sieves and pumps; parts of complete river waterworks, including coarse screens, fine screens, sieves, pumps, sedimentation tanks, rapid filters; parts of complete chemical dosing stations consisting of dissolving tanks and sedimentation tanks, dosing apparatus and storage tanks, discharging and transporting devices for chemicals; sedimentation apparatus for process water; wastewater treatment plants for domestic and industrial wastewater, plants with biological aerated filters, membrane filter plants, bioreactors for purification of industrial wastewater; process water treatment plants for treatment of fresh and recycled water; drinking water treatment plants for treatment of surface water and groundwater, multi- barrier-systems; sea and brackish water desalination plants; evaporators, evaporation plants; driers for industrial purposes, fluidized bed driers, sludge drying apparatus, sludge treatment plants

Business management services, organisation consulting services as well as professional business consulting services for businesses regarding water treatment systems, including wastewater purification systems, process water treatment plants, drinking water treatment plants, desalination plants, as well as regarding evaporators, evaporation plants, drying systems and sludge treatment plants; management of plants for water treatment systems, including wastewater purification systems, process water treatment plants, drinking water treatment plants, desalination plants, as well as for evaporators, evaporation plants, drying systems and sludge treatment plants