Ключевые слова: adult, african, american, architect, architecture, background, black, building, business, businessman, construction, contracting, contractor, corporate, design, engineer, engineering, executive, foreman, happy, hard, hardhat, hat, helmet, holding, industrial, industry, isolated, job, male, man, men, one, people, person, portrait, profession, professional, safety, shirt, site, smile, success, supervisor, tie, white, work, worker, yellow, young,