Ƙofofin wuta na ƙarfe da firam ɗin ƙofa za a cika su da kayan da ba za a iya konewa ba, kuma zafin narkewar na’urorin haɗi kamar makullin kofa, hinge da fil ba za su zama ƙasa da 950 ℃ ba. A halin yanzu, babu girman kofofin wuta, amma iyakar juriyar wuta na kofofin wuta.

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