(c) general projects: technical services, technology development, technical exchange, technology transfer, technology promotion; lighting sales; lighting equipment production; solar thermal production equipment production; sales of solar power equipment; construction of the gas-coast plant; construction of the communications equipment; construction of the electronics equipment; construction of the construction works; design of construction works; electrical installation services (subject to the approval of the relevant authorities); operation of the operational activities, subject to the approval of the results of the projects); production of lamps; production of electrical equipment; sale of electrical equipment; sale of electrical equipment; sale of electrical equipment; construction of electrical equipment; construction of electrical equipment; production of electrical equipment; production of electrical equipment; production of electrical equipment; production of electrical equipment; production of electrical equipment; production of electrical equipment; construction of electrical equipment; construction of electrical equipment; production of electrical equipment; production of electrical equipment; production of electrical equipment; production of electrical equipment; construction of electrical equipment; production of electrical equipment; construction of electrical equipment; construction of electrical equipment; construction of electrical and electrical equipment; construction of electrical equipment; construction of electrical equipment and electrical equipment; construction of electrical equipment; construction of electrical equipment; construction technology technology technology technology technology technology