Ключевые слова: activity, adult, block, building, caucasian, cement, concrete, construction, control, crowbar, department, development, equipment, factory, ferroconcrete, hardhat, hat, heavy, industrial, industry, inspector, job, making, male, manual, manufacturing, material, men, modern, moving, occupation, panel, people, plant, preparation, produce, production, protective, safety, scrap, site, steel, structure, support, teamwork, technology, tool, work, worker, working,