Ключевые слова: adult, architect, architecture, blueprint, boss, builder, building, business, businessman, businesspeople, caucasian, civil, construction, contract, contractor, cooperation, design, discussing, document, drawing, employee, engineer, engineering, foreman, group, helmet, holding, industrial, industry, job, labor, male, man, manager, meeting, paper, people, person, plan, pointing, professional, project, safety, showing, site, team, teamwork, work, worker, young,