Ключевые слова: activity, adult, belt, branch, builder, building, city, climb, climber, construction, dangerous, engineering, equipment, extreme, green, hanging, hardhat, harness, height, helmet, high, industrial, job, ladder, line, male, man, men at work, metal, nature, outdoors, outside, park, person, professional, protection, repair, risk, rope, safety, scaffolding, security, steel, structure, tool, training, tree, work, worker, working,