Hydrogen gas installations for the generation of electricity [gas power plants].

Construction; installation, maintenance and repair activities relating to hydropower, wind power, gas power plants, installation of electrical appliances, installation and repair of heaters and central heating appliances; vehicle service stations [refueling and maintenance]; power plant construction; maintenance services; construction of incineration plants; operation and maintenance services of power plants; construction; construction activities relating to industrial complexes; building services in connection with dam, reservoir and hydraulic power stations; building services; installation, repair and machining and maintenance of thermal, hydroelectric and nuclear installations.

Processing of materials and substances, as well as processing of dry gas, natural gas and natural gas condensates, processing of petrochemical products; production of electric power and electricity; district heating production; waste incineration; production of electricity, heat and energy; energy production services; gas purification; air purification; water treatment; destruction of rubbish and waste; incineration of waste and rubbish hydrogen gas production; generation of gas and electricity; gas processing; refining of gas.