Ключевые слова: background, base, building, conductor, current, danger, distribution, electric, electrical, electricity, energy, engine, engineering, environment, equipment, factory, gas, high, industrial, infrastructure, insulator, lamp, light, line, metropolis, nature, network, outdoor, pillar, plant, pole, post, power, station, supply, tall, technology, telephone, tower, transfer, transformer, transmission, utility, volt, voltage, wire,