Ключевые слова: adult, african, architect, architecture, builder, building, business, construction, contractor, design, development, drywall, engineer, engineering, equipment, foreman, frame, happy, hardhat, helmet, home, house, industrial, industry, job, male, man, manager, occupation, office, paper, person, plan, portrait, professional, project, protective, repair, safety, site, smile, suspend, tool, wall, wear, work, worker, working, workplace, young,