42 technical planning in the nature of engineering and technological planning of pipelines and cables in the areas of gas, water, waste water wind and solar energy and telecommunication; exploration and searching in the fields of oil and gas, in particular mineral exploration services, and other raw materials, energy and related energy materials and products, as well as chemical and petrochemical products; technological consultation in the fields of environmental science, engineering services, and scientific research and development of energy saving, environmentally compatible energy products and technologies for energy efficient production; engineering services, in particular technical calculation in the field of operations and maintenance and related cost calculations; technical planning in the nature of engineering of infrastructure development proposals, sewers, sewage plants and power plants; technical planning in the nature of design and engineering of heat generating plants, solar, hydroelectric and wind power plants and installations; technical planning in the nature of design and engineering in the optimization of heat generating plants, solar, hydroelectric and wind power plants and installations; technical support, namely, monitoring technological functions of computer network systems, servers and web and database applications for industrial installations in the areas of energy, gas, water and waste water and of heat generating plants, solar, hydroelectric and wind power plants and installations; scientific and technical analysis for petroleum extraction; engineering services in the fields of power engineering, electrical engineering, building services engineering, communications engineering as well as mechanical and plant engineering; searching of oil and gas, in particular mineral resources and other raw materials and of energy and of the energy materials and products accruing thereby as well as all types of chemical and petrochemical products; technical planning in the nature of design and engineering for the manufacture of installations and plants in the fields of power, electricity, gas, hydrogen, building services, communications and environmental engineering; technical planning in the nature of design and engineering in the field of mechanical and plant engineering, mineral exploration, exploration for other raw materials and energy and the materials and products accruing from energy, and all types of chemical and petrochemical products; engineering services, in particular in the fields of gas transport, supply and utilization of gas, heat and power and solar, hydroelectric and wind power plants and installations; design and development of software for control, regulation and monitoring of solar and wind energy systems; computer programming for the energy industry; conducting scientific research and technical project scientific study in the field of natural energy; design and development of energy management software; design and development of software for control, regulation and monitoring of solar energy systems; energy auditing; engineering services in the field of energy technology; engineering services relating to energy supply systems; programming of energy management computer software; provision of information concerning research and technical project scientific study and engineering services, namely, technical project studies for planning and design and engineering of heat generating plants, solar, hydroelectric and wind power plants and installations in the field relating to the use of natural energy; research in the field of energy; conducting research and engineering services in the nature of technical project studies relating to the use of natural energy, namely, renewable energy sources like wind and solar energy; gas emission measuring services for measuring or calculating CO2 emissions according to fuel quantity; computer programming in the field of the generation of electrical and thermal energy and steam from waste, valuable materials and biomass; computer programming for the energy industry, engineering services relating to energy supply systems; provision of information concerning research and technical project scientific study and engineering services, namely, technical project studies for planning and design and engineering of heat generating plants, solar, hydroelectric and wind power plants and installations in the field relating to the use of electrical energy; engineering project management services in the nature of engineering planning, design, construction administration and project management services pertaining to renewable energy projects all being engineering services; technical planning in the nature of engineering and technological consulting in the field of engineering of solar energy generating installations; design and development of software for control, regulation and monitoring of electric energy systems; computer software design and development services relating to internet platforms in the field of solar power, smart home, electro mobility and heating