Ключевые слова: background, batch, blue, cable, call, clear, column, communication, connection, current, danger, detail, distribution, electric, electrical, electricity, energy, engineering, environment, grid, high, industrial, industry, infrastructure, insulator, line, network, old, phone, pillar, pole, post, power, pylon, rural, service, sign, sky, steel, structure, supply, technology, telephone, tension, transformer, transmission, voltage, wire, wood, wooden,