Ƙofar ƙarfe na ƙarfe yana da tasiri mai tasiri, tsarin zai iya tsayayya da tasiri na dogon lokaci ba tare da rage tasirin rigakafin gobara ba, kuma yana iya tsayayya da tasirin wutar lantarki. Ƙofar hana gobarar ƙarfe tana da ƙarancin nakasu yayin dumama da ƙarancin wargajewa bayan dumama.

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