Ключевые слова: background, blue, cable, column, concrete, construction, current, danger, day, distribution, electric, electrical, electricity, energy, engineering, equipment, high, industrial, industry, infrastructure, insulator, insulators, line, lines, metal, network, old, pillar, pole, poles, post, power, pylon, sign, single, sky, station, steel, structure, supply, technology, tower, transformer, transmission, up, volt, voltage, white, wire,