Ключевые слова: architect, background, build, business, cap, color, construction, contractor, cooperation, diagram, employee, employer, employment, engineer, engineering, equipment, hard, hardhat, hat, head, healthy, helmet, housing, industrial, industry, inspection, insurance, job, orange, planning, plastic, prevention, project, protect, protection, protective, safe, safety, security, success, tool, white, work, worker, workman, yellow,