Ключевые слова: alarm, alert, automatic, background, building, burning, business, button, carbon, ceiling, concept, control, copy, danger, detector, domestic, emergency, equipment, fire, flame, hazard, help, home, hotel, house, indoor, modern, object, office, plastic, prevention, protection, rescue, residential, safety, security, sensor, services, sign, smoke, spray, sprinkler, warning, water,