Ключевые слова: 911, aid, alert, ambulance, auto, automobile, automotive, background, blue, call, car, closeup, disease, doctor, emergency, examine, fast, figure, first, health, healthcare, heart, help, hospital, instrument, medical, medicine, model, oximeter, paper, paramedic, rescue, safety, saturation, science, service, sign, siren, stretcher, symbol, toy, traffic, transportation, urgency, urgent, vehicle, white,