Ключевые слова: and black, architecture, background, buildings, cable, city, construction, construction electrical towers, cranes, dangerous, development, distribution, electric power, electricity, engineering, equipment, foreman, goods, graphics, high, hoisting, illustrations, industrial, insulators, line, male, masts, network, outline, pillar, power lines, power tower, steel, structure, tall, technology, tower bridge, voltage, white, wiring, work, workers,