Ключевые слова: beam, boots, builder, building, caution, closeup, concrete, construction, contractor, crew, danger, drill, engineer, engineering, equipment, foreman, goggles, group, hands, hard, hardhat, hat, hazard, industrial, industry, inside, isolated, job, labor, machine, men, occupation, people, project, protection, protective, road, safety, skill, steel, team, technology, tool, welding, work, worker, workers, working, workwear,