Ключевые слова: alternating current, background, blue, cable, circuit, clouds, concrete, connection, construction, danger, day, development, disconnect, distribution, electric, electrical, electricity, energy, engineering, factory, generation, generator, grid, high, industrial, industry, infrastructure, line, manufacturing, motors, phase, pole, polyphase, post, power, pylon, silhouette, sky, substation, sunny, supply, system, technology, three, tower, transformer, transmission, voltage, white, wire,