Construction, repair and installation services of electricity and heat generating plants; construction, assembly in the nature of building, maintenance, conditioning in the nature of restoration, repair and installation services of installations in the nature of a plant for use in energy production; installation, construction, maintenance and repair of apparatus and instruments for generating power, namely, plants that use gasification to convert biomass, coal and waste; construction of plants for the purposes of production of electricity and thermal energy, structures for the storage of fuels, structures for the storage of electricity and thermal energy, in the field of energy, gas, environmental and air conditioning technology; installation, assembly in the nature of building, maintenance and repair of gas production apparatus and installations for generating electrical and thermal energy, namely, plants that use gasification to convert biomass, coal and waste

Treatment of materials by gasification, plasma gasification, drying, milling, crushing and heating in the fields of heat and energy production, and in particular in the field of cogeneration; production of energy, by power generating plants; simultaneous production of heat and power, namely, cogeneration of energy; information on the treatment of materials in the field of heat and energy production, and cogeneration; production of energy; electricity generation; production of purified water, namely, water purification; generating electricity, thermal energy and steam from renewable energy sources, in particular from biomass; generation of electricity; generating gas from biomass and valuable materials, in particular from renewable raw materials; water treatment; incineration of waste and the remains of valuable materials; rental of equipment for the generation of energy; waste processing and recycling, and waste treatment; waste treatment transformation, namely, the gasification of waste; waste destruction; vitrification of ashes and residues in the nature of recycling services; post-treatment gas processing in the nature of purification and cleansing of gas and flue gases; purification of gases; drying, processing and milling of solid fuels such as biomass and coal; extraction of fuels, solid or liquid fuels, from coal and biomass as coal and biomass treatment