Ключевые слова: accident, action, alarm, apparatus, background, building, business, businessman, caucasian, caution, computer, concept, danger, disaster, door, doorway, emergency, equipment, evacuation, fire, hand, hazard, health, help, indoor, man, manufacturing, modern, monitor, mouse, office, people, precaution, professional, red, rescue, risk, run, safe, safeguard, safety, security, shutdown, smoke, table, warning, way, work, worker, workplace,