Ключевые слова: background, bearded, black, building, coal, construction, contractor, dirty, energy, engineer, engineering, face, foreman, grime, handsome, happy, hard, hardhat, hat, head, helmet, industrial, industry, job, labor, laborer, male, man, manufacturing, men, miner, occupation, one, people, person, portrait, profession, professional, safety, shirt, smile, white, work, worker,