An rarraba kofofin wuta na katako zuwa nau’i uku bisa ga ƙimar juriya na wuta: Grade A, Grade B da Grade C. Abubuwan juriya na wuta sune 90min, 60min da 30min bi da bi. Itacen da ake amfani da shi don yin ƙaƙƙarfan ƙofofin wuta na itace yana buƙatar busasshe kuma yana hana wuta.

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