Ключевые слова: alarm, alert, alertness, ambulance, attention, background, beacon, blue, bulb, car, color, danger, emergency, equipment, exhibition, fire, firefighter, fireman, flash, flasher, flashing, france, isolated, lamp, law, light, medical, orange, police, red, rescue, revolving, roof, rotating, safety, security, services, sign, signal, siren, symbol, technology, traffic, transport, truck, urgency, vehicle, warn, warning, white,