Ключевые слова: adult, blue, caucasian, concentration, confidence, construction, craftsperson, engineer, engineering, equipment, expertise, eyewear, factory, glasses, hard, hardhat, hat, indoors, industry, looking, machine, machinery, males, man, manufacturing, mechanic, men, metal, occupation, one, part, person, pipe, place, professional, protective, repairing, safety, skill, standing, steel, technology, tool, work, worker, working, workshop, workwear,