Ключевые слова: activity, adult, architect, background, backgrounds, building, business, caucasian, collar, computer, construction, contractor, engineer, engineering, ethnicity, expertise, face, figure, foreman, hardhat, hat, helmet, industry, isolated, job, looking, male, males, manager, manual, men, occupation, paper, people, person, plan, portrait, professional, protective, religious, remote, safety, smiling, studio, technology, white, work, worker, working, young,