Ключевые слова: adult, architect, architecture, background, blueprint, builder, building, business, businessman, civil, computer, concept, construction, contractor, control, design, designer, development, drawing, engineer, engineering, equipment, foreman, hard hat, helmet, house, industrial, industry, job, male, man, manager, meeting, men at work, occupation, office, people, person, plan, professional, project, safety, site, team, teamwork, technology, work, worker, working, workplace,