Machines, namely, sewage pulverizers; centrifugal separators; water separators used in machines for wastewater and clean water treatment; machines, namely, filter presses, gravity thickeners and vibratory screen separators; centrifuges; belt filter presses, namely, presses for the drainage of sludge substances; conveyors and handling systems, namely, waste handling machines for separating water from waste paint and sludge and conveyors for the food and beverage industry; belt conveyors; conveyor belts; packaging machines; machines, namely, filter presses; machines for separating solids from liquids; machines for dispensing dosages of chemicals for the adjustments of the chemical status of liquids

Sewage treatment plants; water supply systems, namely, water cleaning units, water filtering units, desalination units, water distribution units, water conditioning units, water sanitization units and water disinfection units; water purification systems and devices, namely, water purification installations, water purification machines, water purification tanks, water purification units, water purifying apparatus; water conditioning systems and devices, namely, water conditioning units and water dosing units; purification and treatment systems for liquids, namely, water treatment apparatus, namely, clarification and thickening machines for use in treatment of liquids in the nature of water, waste water and industrial water; drinking water filters; water filtration apparatus; filters for dewatering sludge; drying equipment for use in drying sludge, wet biomass, chemicals and suspensions; drying devices for use in drying sludge, wet biomass, chemicals and suspensions; machines for drying sewage sludge, paper sludge, recycling products, wood and biomass waste, lime sludge, extruded and pelletized products, granulate and bulk solids; ventilation devices, namely, air-conditioning, air cooling and ventilation apparatus and instruments; refrigeration systems and machines, namely, air and gas refrigeration units, water cooling machines; heating equipment for solid, liquid or gaseous fuels, namely, heating boilers; heaters, namely, water heaters, immersion heaters, steam production units, thermal oil heaters; air heaters, namely, water heaters, immersion heaters, steam production units, thermal oil heaters; air ionisation devices; air sterilizers; air dryers, namely, dryers for the removal of water vapor from compressed air and gases; ovens for the incineration of solids, namely, for the incineration of biomass and waste; pipe coils being parts of distillation, heating or refrigeration systems; regulation equipment for water or gas devices and for water or gas pipes; combustion furnaces; heat pumps; heat exchangers, not parts of machines; water heaters; heat recovery units; furnace grates; biogas fermenters in the nature of biogas reactors as parts of systems for producing biogas and as parts of thermal power stations; treatment plants for flocculants and precipitants, namely, lime slaking plants, plants for the treatment and dosing of iron salts, aluminum salts, polymers, magnesium chlorides, magnesium oxides and struvite; treatment plants for flocculants and precipitants for use in sludge dewatering; precipitators, namely, precipitators for use as components of anaerobic reactors for the retention of bacterial mass and precipitators for use as components of machines for the solid/liquid separation

Installation, repair and maintenance of systems for producing biogas and their components and thermal power stations, sludge treatment and processing systems, systems and aggregates for solid/liquid separation, filter systems for dewatering sludge, water purification systems, conveyors and handling systems and drying systems; building construction

Material processing, namely, processing of waste water, sludge, waste, biomass, substitute fuels and products for the food and beverage industry; waste and sludge treatment in the nature of conversion; combustion and destruction of rubbish, waste and sludge; water treatment; mechanical, biological and/or chemical purification of water in sewage treatment plants and wastewater treatment plants; water conditioning

Design and development of computer hardware and software; computer programming services; scientific and technological services, namely, research, design, analysis and testing in the field of biogas plants, thermal power stations, wastewater treatment plants, water purification systems, water conditioning systems, water supply systems, sewage and sludge treatment plants, waste treatment conversion systems, electrical switching and control systems and energy engineering; design and development of electrical switching and control systems; engineering services, namely, technical project planning for the construction of wastewater treatment plants and sewage treatment plants; industrial analysis and research services in the field of biogas plants, thermal power stations, wastewater treatment plants, water purification systems, water conditioning systems, water supply systems, sewage and sludge treatment plants, waste treatment conversion systems, electrical switching and control systems and energy engineering; engineer services; execution of technical measurements in the field of biogas plants, thermal power stations, wastewater treatment plants, water purification systems, water conditioning systems, water supply systems, sewage and sludge treatment plants, waste treatment conversion systems, electrical switching and control systems and energy engineering; providing technical advice in the field of scientific and industrial research in the field of biogas plants, thermal power stations, wastewater treatment plants, water purification systems, water conditioning systems, water supply systems, sewage and sludge treatment plants, waste treatment conversion systems, electrical switching and control systems and energy engineering; technical consultancy in the field of environmental science; providing technical advice in the field of biogas plants, thermal power stations, wastewater treatment plants, water purification systems, water conditioning systems, water supply systems, sewage and sludge treatment plants, waste treatment conversion systems and electrical switching and control systems; engineering services, namely, technical project planning in the field of biogas plants, thermal power stations, wastewater treatment plants, water purification systems, water conditioning systems, water supply systems, sewage and sludge treatment plants, waste treatment conversion systems, electrical switching and control systems and energy engineering; material testing; research, testing and analysis services to determine the concentration of pollutant; environmental assessment services; environmental monitoring services; environmental testing and inspection services; consultancy services relating to research in the field of environmental protection