Ключевые слова: architecture, belt, builder, building, climb, concrete, construction, contractor, danger, dangerous, engineering, equipment, extreme, factory, harness, height, helmet, high, industrial, industry, instrument, job, labor, line, male, people, person, professional, protection, protective, risk, roof, roofer, safe, safety, scaffolding, security, site, spark, stands, steel, structure, support, team, tool, uniform, welder, work, worker, workers,