Ключевые слова: adult, angle, back, background, blue, construction, copy, danger, dangerous, day, electric, electrical, electrician, electricity, energy, engineer, engineering, helmet, high, industry, installation, line, lines, low, main, male, man, outdoors, outside, person, power, safety, sky, space, system, talkie, technology, testing, text, tower, transmission, view, volt, voltage, walkie, watt, wiring, work, worker, working,