Ключевые слова: activity, building, business, cable, climbing, concepts, construction, contemporary, danger, electrician, electricity, elevator, engineer, equipment, fuel, generation, hardhat, harness, image, indoors, industrial, industry, installing, line, lines repairman, low, maintenance, manual, men, occupation, part, person, picking, platform, post, power, power lineman, repairing, repairman, retro, safety, worker,