An raba kofofin wuta zuwa ƙofofin wuta da aka rufe da kuma buɗe kofofin wuta. Ƙofar wuta da aka rufe ta al’ada tana rufe ƙarƙashin tasirin ƙofar kusa; Don haka, idan wuta ta tashi, tana iya hana yaduwar hayakin wuta. Ƙofar wuta da aka saba buɗe tana buɗe ƙarƙashin tasirin ƙofar kusa. Lokacin da gobara ta tashi, za a saki maɓalli da ƙarfi, kuma za a rufe ƙofar wuta kusa da tasirin ƙofar kusa da na’urar daidaitawa.

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