Ключевые слова: 911, accident, aid, alarm, ambulance, assist, assistance, attack, button, call, care, center, clinic, closeup, communication, concept, connection, contact, crime, department, dial, dialing, emergency, fire, first, help, hold, hospital, hotline, information, injured, injury, line, lost, medical, medicine, number, phone, police, receiver, red, retro, safety, service, services, sos, support, telephone, urgency, urgent,