Ключевые слова: adult, architect, architecture, background, blueprint, builder, building, business, civil, concept, construction, contractor, control, crane, development, engineer, equipment, factory, foreman, hardhat, hat, heavy, helmet, holding, home, house, industrial, inspection, job, machinery, male, man, manager, occupation, outdoors, person, plan, production, professional, project, protection, safety, site, team, technology, tool, two, white, work, worker,