Ключевые слова: accident, architecture, background, banner, builder, business, careful, caution, concept, construction, danger, dangerous, engineer, engineering, environment, equipment, factory, hard, hat, head, health, helmet, icon, industrial, industry, insurance, isolated, job, occupation, occupational, osha, personal, plastic, prevention, professional, protect, protection, protective, risk, safe, safety, security, set, sign, site, symbol, work, worker, workplace, yellow,