Ключевые слова: alarm, alert, background, bell, box, break, bright, button, clip, clipart, danger, detector, emergency, equipment, evacuation, extinguish, fire, glass, hammer, house, icon, information, isolated, metal, office, press, protection, pull, push, red, rescue, ring, safe, safety, school, security, sign, sound, sprinkler, switch, symbol, system, tool, urgency, warning,