Ключевые слова: 40s, 50, adult, architect, authority, business, businessmen, businesspeople, caucasian, check, confidence, construction, daytime, engineer, ethnicity, examining, follows, hard, hat, inspecting, large, male, man, manager, men, occupations, one, outdoors, people, person, pipe, pipes, piping, professional, senior, site, supervisor, working, years, young,