Hannun ƙofa na wuta ba masu ƙonewa ba ne, marasa fashewa, juriya na ruwa, juriya na sinadarai, mara guba kuma suna da ƙarfin injina mai kyau. Ƙofar ƙofar wuta yana da ƙarfin juriya na wuta. A cikin gwajin konewa da aka kwaikwayi, ba ya lalacewa lokacin da matsakaicin zafin jiki ya kai digiri 800, kuma yana da kyakkyawan juriyar wuta da juriya na harshen wuta.

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