Nozzles of metal, namely metal, wash down spray nozzles for commercial and industrial use and metal pre-rinse, wash down spray nozzles for commercial and industrial use; metal structures and metal parts for applications in the field of fluid treatment and in particular water treatment, namely industrial screening, well screens, screen panels and well points for industrial, agricultural, municipal, environmental, oil and gas purposes, not being part of machinery; pipes and tubes of metal; transportable buildings of metal; junctions of metal for pipes

Waste pumps; aeration rotors being machines; aeration gyros being machines; basin covers, gullies, weirs, grates, grilles, inlets, circulation agitators and rotary sprayers being machine parts for machines for the purpose of storage, treatment, conveyance and discharge of liquids, waste of all kinds, screenings, sewage sludge and filter cakes; nozzle sprayers as parts of machines, in particular power-operated sprayers; fixed, travelling or rotating basin bridges and circulation bridges being parts of machines; filtering machines for chemical processing; machine tools, namely clamp connectors for piping as parts of machines; drag conveyors being machines; raking machines; piston pumps; machines and machine tools for treatment of materials and for manufacturing; machines for pumping, treatment and storing of sewage sludge; machines for separating solid materials and fluids; machines and mechanical devices for industrial filtration; diaphragm pumps being machines and parts of machines; surface aerators being machines and parts of machines; pumps being machines; pumps being parts of machines; raking screens being machines and parts of machines; printing presses for screening machines; shredding machines for screenings; rake cleaners being machines; tubes being fitted parts of machines; non-return flap valves being machines and parts of machines; stirrers being machines; grit chambers being machines and parts of machines; sand fenders being machines and parts of machines; grit classifiers being machines and parts of machines; grit washers being machines and parts of machines; sliding valves being machines and parts of machines; sieves being machines and parts of machines; sifting machines; floating matter collectors being machines and parts of machines; sludge collectors being machines and parts of machines; waste compactors in the nature of sludge compactor machines and as parts of machines; sludge conveyors being machines and parts of machines; sludge pumps; underwater aerators being machines and parts of machines; circulating screws being machines and parts of machines; water separators; machines and apparatus for treatment, cleaning and filtering of liquids, except for machines and apparatus for treatment, cleaning and filtering of water, namely air and water backwashing machines for water intake screens, die-cutting machines and drop-forging machines for the manufacture of devices for storing, treating, transporting and draining-off of liquids, waste of all kind, screenings, sludge and filter cake, power operated screening rakes, step rakes, filter units, sieves, thickeners, dewatering devices, spiral pressing devices, rotary screens and screening washers, power operated sand classifiers and sand separators, spiral conveyors for dry, moist, wet, pasty, adhesive, dusty, bulky or abrasive material, dry or wet positioned pumps for waste water and sludge, in particular vortex vacuum pumps, bilge pumps, cutter head pumps and turbotex pumps; industrial screens, well screens, screen panels and filtering wells for industrial, agricultural, municipal, environmental, mining, surface water filtration, and oil and gas purposes being machines and parts of machines

Apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electric current; computer software for applications in the fields of water technology, fluid treatment and fluid filtration; computer hardware and software for control, process management and operation of plants for the storage, treatment, conveyance and discharge of liquids, waste of all kinds, screenings, sewage sludge and filter cakes; downloadable electronic publications in the nature of books, magazines and manuals in the field of water and fluid treatment; apparatus and instruments for measuring, namely pressure measuring apparatus; optical apparatus and instruments, namely optical readers and optical inspection apparatus; surveying instruments

Wastewater purification treatment installations; filters as parts of industrial installations, namely water filters; water filters for industrial and household use, namely, water filters, filter nozzles and filtering systems, in particular water purification units for industrial, agricultural, municipal, food processing, refining, mineral processing, fluid and solid separation, environmental, oil and gas purposes; installations for the filtration of wastewater in the nature of water recycling apparatus; installations for the filtration of liquids, namely water recycling apparatus, in particular water filtering apparatus; installations for the filtration of water in the nature of water recycling apparatus; installations for the purification of wastewater in the nature of water recycling apparatus; installations for the purification of water in the nature of water recycling apparatus; installations for the separation of solids from liquids in the nature of water recycling apparatus, in particular water filtration and purification units and replacement cartridges and filters therefor; apparatus for heating, steam generating, refrigerating, drying, ventilating and water supply purposes, namely water heaters and dryers for the removal of water vapor from compressed air and gases; machines and devices for the treatment, purification and filtering of wastewater in the nature of water conditioning installations, namely sustainable onsite water recycling and wastewater treatment systems; machines and devices for the treatment, purification and filtering of liquids in the nature of water conditioning installations, in particular water conditioning units; machines and devices for the treatment, purification and filtering of water in the nature of water conditioning installations, in particular reverse osmosis filtration units and ultraviolet sterilization units; machines and devices for the compacting of sewage sludge in the nature of water conditioning installations, in particular sewage treatment plants; drinking water softening treatment installations; water filters

Building construction services for third parties in connection with the use of industrial screening devices and filters for industrial, refining, mineral processing, agricultural, building, municipal, environmental, oil and gas purposes; construction and installation services, in particular with respect to installations for the storage, treatment, conveyance and discharge of liquids, waste of all kinds, screenings, sewage sludge and filter cakes; repair and maintenance of pipes; repair of installations for the treatment of liquids, gases and solid materials and repair of installations for the storage, conveyance and discharge of liquids, waste of all kinds, screenings, sewage sludge and filter cakes; conducting and performing of construction projects for third parties, in particular conducting and performing structural and civil engineering projects in the field of water technology and conducting and performing building constructions projects in the field of installations for the storage, treatment, conveyance and discharge of liquids, waste of all kinds, screenings, sewage sludge and filter cakes

Chemical laboratories; working on and evaluation of chemical analyses; research, measurement and analysis in the field of environmental pollution; technical testing in the field of environmental science; design and development of computer software for applications in the field of water technology, fluid treatment and fluid filtration; engineering; engineering services and engineering design services for third parties in connection with the use of industrial screening devices and filters for industrial, refining, mineral processing, agricultural, building, municipal, environmental, oil and gas purposes, applications for the separation of liquids and solid matter and surface water treatment applications; software programming; engineering services, namely, technical planning of installations for the storage, treatment, conveyance and discharge of liquids, waste of all kinds, screenings, sewage sludge and filter cakes; scientific and technological services and research and design relating thereto in the field of water and fluid treatment; industrial analysis and research services, in particular technical planning and technical preparation of construction projects for third parties or own construction projects, in particular of structural and civil engineering projects in the field of water technology and installations for the storage, treatment, conveyance and discharge of liquids, waste of all kinds, screenings, sewage sludge and filter cakes; monitoring the quality of water bodies, air, gases and liquids