Ключевые слова: alternative, bar, blue, bridge tower, build, building, cable, current, dangerous, distribution, electric power, electrical appliances, electronics, energy, engine, engineering, environment, equipment, framework, generation, grid, high, in the evening, industry, metal, mountain, plants, pollution, profile, steel, strong, structure, supply, technology, the sky, the station, tower, transmission, utility, voltage, watt, wire,