Ключевые слова: above, alarm, alarm signal, alarm sound, batteryoperation, 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, smarthome, smoke, smoke alarms, smoke detector, threat, warning,