Ключевые слова: adult, adults only, business, business person, businessman, caucasian ethnicity, confidence, construction industry, construction site, construction worker, copy space, engineer, engineering, equipment, expertise, factory, foreman, hardhat, indoors, industry, looking, looking at camera, machine part, machinery, males, manager, manufacturing, mature men, men, mid adult, occupation, one man only, one person, only men, place of work, portrait, professional occupation, protective workwear, real people, safety, skill, smiling, standing, success, technology, work helmet, work tool, working, workshop,