Ключевые слова: blue, cable, call, charge, city, communication, company, conductor, connection, copy, current, danger, distribution, drum, electric, electrical, electricity, energy, engineering, environment, gray, grid, high, industrial, industry, insulator, line, network, object, phone, pole, post, power, road, rural, service, sky, space, structure, supply, technology, telephone, tension, transformer, transmission, urban, utility, voltage, white, wireless,