6
Common metals and their alloys; metal building materials; small items of metal hardware; pipes and tubes of metal
11
Water supply and distribution apparatus and installations; control apparatus for water installations, not included in other classes; water taps; water valves, not included in other classes; water intake apparatus; regulating and safety accessories for water apparatus, not included in other classes; cooling installations for water; water apparatus not included in other classes, including apparatus and installations for purifying water; apparatus for removing lime from water; water softening apparatus; heating apparatus; sanitary installations; water purification installations; water treatment plants; water purifying apparatus; water filtering apparatus; water regulating apparatus; pipes, as parts of water treatment and heating apparatus, installations and equipment
40
Water treatment; water purification; removing lime from water; water softening; consultancy regarding the aforesaid services; drawing up of expert reports regarding the aforesaid services; consultancy, information and awareness-raising regarding the aforesaid services, including provided via electronic networks such as the Internet
42
Professional consultancy and advice (not relating to business management), namely in the field of environmental management, water management, water treatment, and regarding chemicals and systems for water treatment and purification; research in the field of chemicals and water treatment; services in the field of chemical analysis of water and samples relating to water; analytical chemical research; consultancy on legionella and legionella prevention; design and development of water supply and distribution apparatus and installations, control apparatus for water installations, water taps, water valves, water intake apparatus, regulating and safety accessories for water apparatus, cooling installations for water, water apparatus, including appartus and equipment for purifying water, heating apparatus, sanitary installations, water purification installations, water treatment plants, water purifying apparatus, water filtering apparatus, water regulating apparatus, pipes, as parts of water treatment and heating apparatus, installations and equipment; bacteriology and chemistry; scientific studies in the field of the effects of certain water treatment techniques on the health of flora and fauna; consultancy, information and awareness-raising regarding the aforesaid services, including provided via electronic networks such as the Internet