Ключевые слова: background, blue, cable, cables, circuit, concrete, connection, construction, current, danger, dangerous, distribution, electric, electrical, electricity, energy, engineering, equipment, generation, grid, high, high voltage, industrial, industry, infrastructure, line, lines, metal, network, pillar, pole, post, power, pylon, safety, sky, station, steel, structure, supply, system, technology, telephone, tower, transformer, transmission, utility, voltage, watt, wire,