Ключевые слова: allocation, and the background, beautiful, blue, branch, closeup, construction, dangerous, electric power, electric wire, electrician, electricity, energy, engineering, equipment, erection, facilities, high pressure, industrial, industry, isolation, light, longitudinal extension, metal, network, outdoor, pole, power, power stations, power supply, shape, straight line, structure, supply and provide, tall, the sky, towers, transformer, transport, users, voltage,