Ключевые слова: builder, building, colleagues, construction, contractor, employment, engineer, engineering, equipment, handling, hardhat, heavy, helmet, high, industrial, industry, jacket, job, labor, laborers, lifting, london, machinery, male, manual, men, occupation, paving, people, person, professional, project, safety, site, skilled, stone, street, teamwork, tool, trade, vis, work, worker, workman, yellow, young,