42 Scientific research, scientific studies and testing services in the field of power generation, electric power transmission, electric power distribution and electrical utilization, and providing information relating to aforesaid services; consultancy relating to technological services in the field of power and energy supply; engineering services in the field of power generating plants; engineering services in the field of electricity; architectural services; surveying; designing of machines, apparatus, instruments including their parts or systems composed of such machines, apparatus and instruments; design and design consultancy services for power-generating installations, electric transmission installations, and power-distributing installations; design of electric installations, and electric communication facilities; designing of installations, facilities or equipment composed of power generating machines, power generating devices, power generating equipment, and machines, apparatus, instruments for power distribution; design and maintenance of computer software for controlling, monitoring and managing power generation and power transmission and power distribution; providing temporary use of non-downloadable computer software for controlling, monitoring and managing power generation and power transmission and power distribution; rental of computer systems for controlling, monitoring and managing power generation and power transmission and power distribution; design and maintenance of computer software for transferring, storing, saving, transforming and displaying data and information relating to power generation, power transmission and power distribution; providing temporary use of non-downloadable computer software for transferring, storing, saving, transforming and displaying data and information relating to power generation, power transmission and power distribution; rental of computer systems for transferring, storing, saving, transforming and displaying data and information relating to power generation, power transmission and power distribution; design and maintenance of computer software for controlling, monitoring and managing gas distribution and heat distribution; design and maintenance of computer software for transferring, storing, saving, transforming and displaying data and information relating to gas distribution and heat distribution; providing temporary use of non-downloadable computer software for controlling, monitoring and managing gas distribution and heat distribution; providing temporary use of non-downloadable computer software for transferring, storing, saving, transforming and displaying data and information relating to gas distribution and heat distribution; rental of computer systems for controlling, monitoring and managing gas distribution and heat distribution; rental of computer systems for transferring, storing, saving, transforming and displaying data and information relating to gas distribution and heat distribution; technological consultancy in the field of energy efficiency and energy measurement to improve efficiency; providing technology information in the field of energy efficiency and improving energy efficiency; design of machines, apparatus, instruments or equipment for energy-efficiency; testing and scientific research on energy-efficiency; testing and scientific research on next generation power networks; design and development of computer systems, and monitoring of operational status and conditions of computer systems at power, gas and heat distribution (supply) installations, and facilities having connected line to communication network; monitoring of computer systems, and design, development and maintenance of computer software; testing and scientific research on reduction of environmental burdens related to energy efficiency; engineering services, namely, diagnosing, evaluating and analyzing energy consumption at buildings and plants; remote monitoring of computer systems for management of energy and power usage, and efficiency in the use of power and energy; technological consultation in the field of energy efficiency, namely, controlling energy and power usage, and efficiency in the use of power and energy, and providing information therefor; technological consultancy in the field of energy and power usage, and efficiency in the use of power and energy; remote monitoring of operational functioning and functional conditions of building equipment; providing information relating to remote monitoring of operational functioning and functional conditions of building equipment; remote monitoring of operational functioning and functional conditions of building equipment for gas and heat distribution; remote monitoring of operational functioning and functional conditions of gas supply plants and heat supply plants