Ƙofofin da ke hana wuta ba kawai suna da aikin ƙofofin talakawa ba, har ma suna da aikin hana yaduwar wuta. Idan akwai wuta, ƙofar wuta na matakala na iya hana shiga, yadawa da yada wasan wuta a cikin wani ɗan lokaci, wanda zai adana lokaci mai mahimmanci don tserewa daga wuta.

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