Ключевые слова: action, activate, alarm, alert, alertness, assistance, attention, building, concern, control, corridor, crisis, danger, emergency, emergency response, hallway, hand, handle, hazardous, help, human, indoor, interior, modern, no people, panic, person, precaution, preparedness, prevention, protection, public, pull, reaction, red, response, safety, safety device, safety equipment, safety measure, safety protocol, safety system, safety tool, security, serious, tense, urgent, wall, warning, warning signal,