사람은 18~19% 이하로 산소농도가 떨어지면 사망에 이릅니다.
불은 산소농도 몇 퍼센트에서 스스로 소화가 가능할까요?
소화의 형태
질식소화
1) 이산화탄소 소화설비
2) 포소화설비
3) 분말소화설비
4) 불활성기체 소화약제
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