11
Water purification installations; Industrial-water purifying apparatus; Waste water treatment apparatus; Apparatus for use in waste water treatment; Waste water purification facilities; Sewage purification apparatus; Bioreactors for use in the treatment of wastewater; Wastewater purification units
37
Reclamation of land; Maintenance of water pollution control equipment; Providing information relating to the repair or maintenance of water pollution control equipment; Repair or maintenance of water pollution monitoring equipment and providing of information relating thereto; Installation of environmental protection systems; Installation of environmental control systems
40
Soil conditioning (environmental reclamation); Soil, waste or water treatment services [environmental remediation services]; Treatment of soil, refuse and water (environmental reclamation)
42
Engineering drawing; Design planning; Construction drafting; Design of computer-simulated models; Industrial design services; Engineering services; Technical design and planning of water purification plants; Technical design services relating to water supply installations; Water analysis; Technical design and planning of pipelines for gas, water and waste water; Research relating to technology; Technological consultancy; Conducting technical project studies; Technical research projects and studies; Engineering project management services; Preparation of engineering drawings; Environmental testing; Environmental testing and inspection services; Technical consulting in the field of environmental engineering