Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water distribution and sanitary installations; sanitary apparatus; pressurized water tanks; level regulating valves for tanks; regulating and safety accessories for water apparatus; water filtering apparatus; water filters; filters for drinking water; water softening apparatus and installations; water purifying apparatus and machines; water purification installations; water purification systems for producing drinking water; waste water treatment installations; wastewater purification units; water desalination installations; desalination systems; water intake apparatus; hydrants; water pipe installations; water distribution installations; water supply installations; mixer faucets for water pipes; pipes (parts of sanitary installations); swimming pool chlorinating apparatus; water conditioning apparatus; irrigation apparatus for agricultural use; irrigation apparatus for horticultural use; drip irrigation delivery systems; watering systems for irrigation; water fountains

Installation and repair of irrigation devices; installation and maintenance of irrigation systems; installation, maintenance and repair of water supply apparatus; installation of water pipes; installation, repair, servicing, replacement and reconditioning of ducts; laying, servicing and repair of pipelines, hoses and high pressure ducts for hydraulic systems; laying, repair, servicing, replacement and reconditioning of ducts; maintenance of water purifying apparatus; maintenance of water pollution control equipment; installation of sanitary apparatus; repair of sanitary installations; providing information with respect to the repair or maintenance of water purifying apparatus; provision of information relating to the repair or maintenance of water pollution control equipment; repair of water supply apparatus; installation of environmental protection systems

Treatment of drinking water, service water and waste water; water treatment and purification services; Water recycling and desalination services; water purification; provision of information relating to water treating services; rental of water-purifying apparatus; rental services for water treatment equipment

Scientific and technological services as well as research and design services relating thereto; industrial analysis, industrial research and industrial design services; quality control and authentication services; services provided by engineers; technical design and planning of pipelines for gas, water and waste water; technical design services with respect to sanitary installations and appliances; research in the field of environmental conservation and protection

Agriculture, aquaculture, horticulture and forestry services; animal breeding; advisory services in the fields of irrigation and fertilization