Ключевые слова: business, cable, check, construction, current, danger, electric, electrical, electrician, electricity, energy, engineer, engineering, equipment, hat, helmet, high, highvoltage, industrial, industry, labor, line, lineman, maintenance, manual, metal, occupation, pole, post, power, power lines, professional, pylon, repairman, safety, safety first, service, sky, technician, technology, tool, tower, transmission, volt, voltage, watt, wire, work, worker,