11
Water filtration apparatus; water filtration installations; water filters; water purifying apparatus, machines and installations; waste water treatment tanks
19
Building and construction materials and elements, not of metal; drainage installations (Non-metallic -); non-metallic building materials for the removal of pollutants and contaminants from water
37
Installation and maintenance of water control systems and parts thereof
40
Water treatment; waste water treatment; providing information relating to water treatment
42
Engineering and consultation services in the field of water management; engineering and consultation services relating to the control, treatment, storage and distribution of water; technical analyses in the framework of water management; design, development, installation and maintenance of water control systems and parts thereof; technological consultancy relating to water control and selection of appropriate systems; computerised automation services; services in the field of research and development aimed at new methods and techniques for improving the design, the control and the maintenance of water systems; engineering consultancy in the field of water management and water safety management, including consultancy in the field of design and development of measuring, control and checking (supervision) systems for the management of water systems, and for safety and risk analysis; advisory services relating to water efficiency; technological services relating to manufacture; quality control, checking, audits, testing and assessment of water management systems and solutions; provision of information relating to the aforementioned services