Ключевые слова: 911, activating, alarm, alert, arm, box, danger, department, detector, device, disaster, emergency, fingers, fire, glass, hand, hazard, hazardous, health, home, hotel, house, install, installation, lever, light, local, man, motion, mounted, moving, office, person, protect, pulling, push, red, rescue, safe, safety, secure, siren, strobe, system, using, wall, warning, white,