Ключевые слова: activity, architecture, assembly, builder, building, concrete, construction, crane, engineer, engineering, equipment, fabrication, ferroconcrete, hat, helmet, industrial, industry, inspector, job, join, labor, lifting, male, man, manual, manufacture, manufacturing, metal, occupation, people, plate, power, profession, professional, protection, safety, site, skill, skilled, sling, steel, structure, team, technical, technology, tool, work, worker, working, workplace,