Ключевые слова: adult, architect, architecture, blueprint, builder, building, business, businessman, caucasian, construction, contractor, design, development, engineer, equipment, factory, foreman, hard, hardhat, hat, helmet, industrial, job, male, manager, mechanic, men, men at work, occupation, outdoors, person, plan, portrait, production, profession, professional, project, protective, safety, service, site, smiling, standing, teamwork, two, uniform, worker, working, young,