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Construction repair and installation services, namely, building construction and repair, construction of airports and harbours, construction and repair of roads, bridges, tunnels, underground facilities and dams, construction of solid waste treatment plants, construction of water treatment and purification plants, construction of hydro-electric factories, construction of electricity and telecommunication towers, pipeline construction, maintenance and repair, construction planning, management and consultancy, consultation services in the field of vehicle, aircraft and boat building, conversion, renovation and repair, installation, repair and maintenance of heating equipment, gas turbine engines and nuclear power plants, repair and maintenance of medical machines and apparatus, maintenance and repair services for electric generators and wind turbines, installation and maintenance of photovoltaic installations, installation and maintenance of geothermal and solar energy based power plants, installation and maintenance of telephone lines, installation, machinery installation, maintenance and repair of computer hardware

Transport, storage and delivery of goods; transport brokerage; distribution of energy; water distribution and supply; travel arrangement, namely, transport of persons, organization of travel and excursions, travel agency services consisting of making reservations and bookings for transportation, travel booking agencies, and travel information

Material treatment services, namely, soil treatment services, material treatment services in connection with recycling, metal treatment, nuclear waste treatment, oil and gas well treatment, paper treatment, preparation and treatment of fabrics, waste treatment, water treatment and purification, production, treatment and refinement of fuel and biofuel for others

Scientific research and development; surveying and engineering; structural engineering design services; hydraulic engineering and design; mechanical engineering and related research; product development and engineering services for others; product research; hydrological research; research in the field of environmental protection; design services, namely, design of computers; aircraft and automotive design services; design services in the field of naval shipbuilding; design and testing of new products for others; industrial design services; consulting services in the field of development of electrical services and renewable energy resources; design and development of computer hardware and software; computer programming