Ключевые слова: alarm, alarms, alert, apartment, background, battery, building, carbon, ceiling, copyspace, danger, detector, detectors, domestic, electronic, emergency, equipment, fire, heat, home, house, household, indoors, interior, isolated, life, modern, monoxide, object, objects, office, prevention, protect, protection, rescue, safety, security, sensor, sign, signal, simple, siren, smoke, system, wall, warn, warning, white,