Ключевые слова: accident, background, builder, building, caution, concept, condition, construction, danger, dangerous, design, emergency, engineer, engineering, equipment, factory, fall, flat, hazard, health, icon, industrial, industry, injury, insurance, isolated, job, labor, man, occupation, pain, people, person, professional, protect, protection, protective, repair, risk, safety, sign, site, symbol, technology, unsafe, unsafe condition, warning, work, worker, workplace,