Ключевые слова: adult, architect, architecture, builder, building, business, caucasian, civil, construction, constructor, contractor, design, engineer, engineering, estate, foreman, happy, hardhat, helmet, holding, house, industrial, industry, job, male, man, manager, men, occupation, office, people, person, phone, plan, professional, project, protection, protective, real, safety, site, white, work, worker, workers, working, yellow, young,