Ключевые слова: accident, architecture, background, bag, build, builder, building, caution, color, construction, danger, emergency, engineer, equipment, hard, hardhat, hat, hazard, headgear, helmet, help, industrial, industry, job, modern, people, person, plastic, precaution, prevention, profession, protect, protection, protective, repairman, rescue, safe, safety, security, tool, urgency, work, worker, yellow,