Ключевые слова: 911, accident, ambulance, ambulance emergency, automobile, building, car, city, collision, damage, danger, dark, doctor, emergency, emergency response, emergency service, emergency services, equipment, evening, event, first, flash, glowing, health, healthcare, hospital, insurance, light, medical, medical care, medical cure, night, night light, outdoor, red, rescue, response, safety, street, traffic, truck, usa, vehicle,