Ключевые слова: architecture, background, builder, building, business, construction, contractor, control, engineer, engineering, equipment, foreman, hand, hard, hardhat, hat, helmet, highway, industrial, industry, inspector, job, man, management, manager, people, person, professional, project, protection, protective, road, safety, safety equipment, security, site, street, structure, supervisor, technology, work, worker, workplace, yellow,