Ключевые слова: adult, arms, blue, business, caucasian, confidence, construction, crossed, engineer, engineering, equipment, expertise, factory, fuel, hard, hardhat, hat, helmet, indoors, industry, looking, looking at camera, machine, machinery, males, man, manager, manufacturing, men, metal, occupation, one, part, person, place, portrait, power, professional, skill, smiling, standing, steel, technology, woman, work, working, workshop, young,