Ключевые слова: alarm, alert, background, battery, burn, carbon, caretaker, ceiling, control, danger, detector, domestic, electronic, emergency, escape, evacuate, fire, flat, grey, home, house, household, insurance, light, modern, monitoring, monoxide, nobody, object, office, operation, prevention, protect, protection, red, risk, safe, safety, security, sensor, signal, smoke, smoking, sound, system, technology, threat, warning,