Ключевые слова: 911, accident, adult, alarm, alert, assistance, brigade, call, car, connection, danger, dark, department, emergency, equipment, fighter, fire, firefighter, fireman, flashlight, helmet, help, hero, inside, lifeguard, lifesaver, listen, male, man, night, occupation, officer, person, radio, rescue, risk, safety, service, station, talk, technology, transport, truck, uniform, urban, urgency, walkie talkie, work, worker, workwear,