1. An yi amfani da shi sosai a cikin hakar mai, tace man fetur, masana'antun sinadarai, soja da sauran wurare masu haɗari, a matsayin alamar fita mai aminci, umarnin ƙaura don amfani;
2. Ya dace da yanayin yanayin gas mai fashewa 1, yankin 2;
3. Yanayi mai fashewa: aji ⅡA,ⅡB, ⅡC;
4. Ya dace da yanayin ƙura mai ƙonewa a cikin yanki 22, 21;
5. Ya dace da buƙatun kariya masu girma, wuraren damp.
6. Dace da ƙananan yanayin zafi sama da -40.