Ọnụ ụzọ ọkụ igwe anaghị agba nchara na-enweta ihe pụrụ iche flanging na aru ọnụ ụzọ akwukwo interface, nke nwere uru nke ọma Ọdịdị, elu ọkụ na-eguzogide na ike corrosion iguzogide. A na-eme ogwe ọnụ ụzọ ọkụ igwe anaghị agba nchara nke 304 ma ọ bụ 201 igwe anaghị agba nchara nwere nguzogide corrosion siri ike. Akwukwo uzo juputara na ihe ohuru nke ihe eji eme ihe na-ekpochapu oku na ihe mkpuchi (perlite board).

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