Ключевые слова: background, blue, cable, city, column, concrete, connection, construction, current, danger, day, distribution, electric, electrical, electricity, energy, engineering, environment, equipment, high, industrial, industry, light, line, metal, nature, network, old, outdoor, outdoors, pillar, pole, post, power, power line, pylon, sky, steel, street, structure, supply, technology, telephone, transformer, transmission, utility, voltage, wire, wood, wooden,