Ключевые слова: blue, cables, conversion, danger, distribution, electric, electrical, electricity, energy, equipment, facility, generate, grid, high, high voltage, industrial, industry, infrastructure, insulator, isolator, line, manufacture, network, night, plant, power, production, pylon, pylons, sky, station, substation, supply, system, tower, transformer, transmission, twilight, voltage, volts, watts, wire,