Ключевые слова: abstract, adult, architect, architecture, background, blueprints, building, business, businessmen, caucasian, construction, contractor, development, engineer, engineering, factory, foreman, group, hard, hats, helmet, indoors, industrial, industry, inspection, manager, meeting, men, occupation, partner, partnership, people, person, plan, professional, project, safety, showing, site, success, survey, team, technology, two, wear, white, worker, workgroup,