Ключевые слова: alarm, alert, alertness, bell, box, burn, call, control, cover, danger, electronic, emergency, equipment, escape, fire, firefighter, flame, hazard, help, industrial, industry, information, loud, nobody, on fire, panic, prevent, prevention, protection, pull, red, rescue, ring, safe, safety, security, service, sign, siren, sound, sprinkler, switch, symbol, system, urgency, warning,