A na-eji igwe anaghị agba nchara mee oghere ọnụ ụzọ iko ọkụ, nke nwere ezigbo nguzogide corrosion, ọdịdị mara mma na enweghị nchara. Ọnụ ụzọ na-ekpuchi iko iko na-anabata iko ọkụ na-ekpuchi oghere, nke bara uru iji belata okpomọkụ nke iko dị n’èzí na-ebute; Tụkwasị na nke ahụ, njikwa okpomọkụ nke profaịlụ igwe anaghị agba nchara na-adị ngwa mgbe ọgwụgwọ gasịrị, nke na-egbochikwa nnyefe ọkụ ruo n’ókè ụfọdụ, ka ime ụlọ ahụ dị jụụ ma chekwaa ike.

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