Ключевые слова: aid, alarm, alert, alertness, ambulance, arrest, attention, background, beacon, beware, blink, bright, bulb, caution, crime, criminal, danger, dangerous, electronics, emergency, equipment, fire, flash, flasher, flashlight, glow, glowing, illuminate, illustration, lamp, law, light, medical, notify, orange, police, rescue, rotating, safe, safety, security, shine, signal, siren, traffic, yellow,