Ключевые слова: 911, aid, america, auto, automobile, ca, california, car, city, county, crew, danger, department, dept, doctors, editorial use only, emergency, engine, equipment, fast, fire, firefighter, fireman, firetruck, first, health care, help, machine, medical, medics, paramedics, personnel, quick, red, rescue, responders, response, road, safety, san francisco bay, san mateo, service, street, town, transport, truck, united states, urban, usa, vehicle,