Ключевые слова: above, alarm, alarm signal, alarmsound, battery operation, blanket, building, caretaker, control, danger, electronic, emergency, escape, evacuate, fire, fire department, fire detector, fire protection, flat, for sure, house, house administration, insurance, law, monitoring, new building, office, prevention, protection, regulations, report, retrofit, risk, safety, signal, siren, smart home, smoke, smoke alarms, smoke detector, threat, warning,