Ключевые слова: 30s, adult, age, aged, artisan, blue, caucasian, collar, craftsman, educated, experienced, factory, hard, hat, heavy, helmet, hose, industrial, industry, iron, labor, labour, looking, machine, machinery, male, man, manufacture, manufacturing, metal, metalwork, modern, operator, pipe, plant, portrait, steel, technician, uniform, white, work, worker, workman, workplace, workshop, yellow, young,