Ключевые слова: alarm, alert, alertness, bell, box, break, built, button, center, circle, circular, control, crisis, danger, electronic, emergency, equipment, escape, evacuation, fire, flame, industry, information, mall, metaphor, panel, prevent, prevention, protection, push, red, rescue, safety, security, service, shop, sign, structure, switch, symbol, system, trigger, urgency, wall, warning,