Ключевые слова: 911, abstract, accident, aid, ambulance, assistance, auto, background, car, care, concept, danger, doctor, emergency, health, healthcare, healthy, help, hospital, idea, illness, mask, medical, medicine, protective mask, red, rescue, road, safety, service, sign, siren, speed, support, symbol, toy, traffic, transport, transportation, truck, urgency, urgent, van, vehicle, warning, white,