Ключевые слова: action, arrest, authority, auto, automobile, background, because, blue, city, control, cop, crime, criminal, danger, emergency, enforcement, equipment, guard, justice, law, light, lights, man, officer, outdoor, oversight, patrol, police, policeman, protect, protection, rescue, road, safety, scene, security, service, sign, siren, speed, stop, street, strength, traffic, transport, transportation, uniform, urban, vehicle, warning,