6
Metal building materials; transportable buildings of metal; metallic pipes and tubes
11
Water purifying apparatus and machines, water sterilisation apparatus, water supply installations and water distribution installations
16
Pamphlets
19
Pipes, pipe bends, junctions for pipes, pipe valves for water and gas supply mains, building materials (non-metallic)
35
Services in connection with business management, operator and project management contracts in the field of water management; commercial planning and consultancy in the field of hydraulic engineering and water management
36
Financing of water management installations
37
Hydraulic engineering, in particular the construction of installations for regulating water drainage, including equalising the flow of water and ensuring the high-water drainage of surface waters, for the removal or treatment of sewage, for the disposal of waste during the removal or treatment of sewage or during the regulation of sewage discharge, for regulating the groundwater level, for obtaining and providing water, in particular with regard to the generating, treatment and distribution of water for drinking water supplies and for service water supplies for water power purposes; maintenance and repair of the aforesaid installations
39
Operating installations for regulating water draining, including equalising the flow of water and ensuring the high-water drainage of surface waters, for regulating the groundwater level, for obtaining and providing water with regard to the distribution of water for drinking water and service water supplies
40
Operating installations for the removal or treatment of sewage, for the disposal of waste during the removal or treatment of sewage or during the regulation of sewage discharge; operating water power installations; operating installations for obtaining and providing water, in particular with regard to the generating and treatment of water for drinking water and service water supplies
41
Publication of printed materials in the field of hydraulic engineering and water management
42
Technical planning and consultancy and providing of expertise in the field of hydraulic engineering and water management; creating software for water management problem-solving; water and soil analysis; providing of scientific expertise, landscaping