Ключевые слова: background, blue, cable, circuit, communication, concrete, connect, connection, copy sapce, danger, distribution, electric, electrical, electricity, energy, engineering, environment, equipment, high, industrial, industry, light, line, metal, metallic, network, outdoor, phone, pole, post, power, russia, rusty, sky, station, steel, structure, summer, supply, technical, technology, telephone, tower, transformer, transmission, up, volt, voltage, warning, wire,