Ключевые слова: 20s, adult, back lit, building, building activity, carpenter, caucasian, concepts, construction, construction site, construction worker, copy, copy space, crane, gear, hard hat, hardhat, helmet, holding, housing, housing development, industry, looking up, male, man, manual worker, mid adult, occupation, one person, outdoors, people, protection, protective clothing, putting on, safety, scaffold, security, site, sky, space, sun, sunlight, sunset, tall, wearing, worker, working, yellow, young, young man,