화재경보기 (1) 썸네일형 리스트형 [입이트이는영어] Fire Alarms and Fire Extinguishers / 화재 경보기와 소화기 입트영(2019.12.03) # Talk about fire alarms. It is legally required for every building to have fire alarms installed. When a fire breaks out, the alarm is automatically activated. Sprinklers also kick in. These fire alarms are very helpful in preventing large-scale fires. Also, they help people to get out of harm's way early. This prevents any human casualties. Fire alarms are inspected on a regula.. 이전 1 다음