Ключевые слова: blue, cable, capacitor, city, close, communicate, communication, conductor, connect, current, danger, dioxide, distribution, electric, electricity, energy, engineering, equipment, industrial, industry, insulator, isolator, line, network, outage, pillar, pole, post, power, pylon, road, routing, sky, space, sun, supply, technology, telegraph, telephone, transformer, transmission, up, urban, utility, volt, wattage, watts, wire,