Ключевые слова: adult, adults, alone, authentic, blue collar, busy, career, caucasian, cellphone, construction, construction worker, copy space, engineer, engineering, focus, guy, holding, indoors, industrial, industry, inside, interior, job, looking, male, man, men, mobile phone, modern, occupation, one, people, person, profession, professional, real, safety, serious, service, site, smartphone, standing, technology, uniform, work, worker, working, workman, young,