Ключевые слова: 3d, 911, accident, aid, alarm, ambulance, assistance, call, car, care, collection, concept, crime, decorative, design, dialing, elements, emblem, emergency, engine, fire, first, health, helicopter, help, hospital, icons, illustration, isolated, isometric, medical, mobile, number, object, police, public, rescue, safety, service, set, signal, siren, smartphone, speed, support, symbol, transport, transportation, vehicle,