Cleaning, inspection and repair, in relation to the following goods: cisterns, oil tanks, and chemical tanks; cleaning, inspection and repair, in relation to the following goods: pools, tanks and other spaces for fish farming; sludge suction and flushing of waste and storm water systems; information relating to construction, repair and building; plumbing installation, maintenance and repair; cleaning of buildings [interior and exterior surface]; emptying of grease traps; building construction; construction of waste incineration plants and waste processing plants; construction, overhaul, repair and installation of waste incineration equipment; installation and repair of electrical, heating and central heating equipment; repair and maintenance of equipment and hardware for process automation systems and computer systems; inspection, control and repair of oil burners; installation, maintenance and repair of charging apparatus and electric monitoring apparatus; installation, maintenance and repair of district heating apparatus; repair of machines, devices and instruments used in the waste industry; installation of machines, devices and instruments used in the waste industry; construction, inspection prior to maintenance and repair, repair and installation services relating to the transfer and distribution of waste; construction inspection; examination, maintenance and repair in power plant operations and energy-intensive industry; installation, inspection prior to maintenance and repair, and maintenance for equipment relating to the production, use, transfer and delivery of waste; installation, overhaul, maintenance and advisory services for different kinds of power plants and industrial production plants; construction, installation, overhaul and repair of power plant boilers; building and installation services relating to energy solutions for buildings as well as to cooling solutions for computer rooms and industrial processes; installation and overhaul services for solar electricity systems and advisory services relating thereto; installation and overhaul services for solar heat systems and advisory services relating thereto

Scientific and technological services and research and design relating thereto; industrial analysis and research services; research relating to mineral resources; research on raw materials; research on raw material sources; research on waste; provision of technical advice, in the following fields: environmental science and environmental engineering