Ключевые слова: activity, adult, african, analyzing, architect, architecture, blueprint, builder, building, business, caucasian, colleagues, construction, contractor, cooperation, coworker, discussing, discussion, engineer, engineering, foreman, hardhat, helmet, holding, industrial, industry, inspection, job, male, man, manufacturing, mask, medical mask, men at work, occupation, partner, people, professional, project, safety, site, success, teamwork, together, two, work, worker, workplace,