Ключевые слова: background, cable, clear, climbing, danger, dangerous, electric, electrical, electrician, electricity, energy, fixing, high, industry, installation, job, light, lighting, line, maintenance, man, outdoor, people, person, pole, post, power, professional, repair, repairing, repairman, safety, service, technician, technology, telecom, telecoms, tower, transmission, utility, volt, voltage, wire, work, worker,