Ключевые слова: background, blue, bright, business, cable, charge, color, communication, construction, danger, electric, electrical, electricity, energy, engine, engineering, environment, facility, generator, grid, high, industrial, industry, infrastructure, line, link, machine, machinery, mesh, metal, network, object, power, pylon, single, sky, station, steel, supply, technology, tower, transmission, up, urban, volt, voltage, watt, wire, wiring, work,