304 igwe anaghị agba nchara square mmanya bụ ụdị eluigwe na ala igwe anaghị agba nchara, ike nchara na-eguzogide, elu okpomọkụ na-eguzogide dịkwa mma, nwere magburu onwe corrosion eguzogide na corrosion eguzogide na ezi intergranular nguzogide, ígwè nwere ike corrosion eguzogide.A na-ejikarị eme ihe na ngwongwo ụlọ, akụkụ ụgbọ ala, akụrụngwa ahụike, ihe owuwu, ụlọ ọrụ nri, akụkụ ụgbọ mmiri na ihe ndị ọzọ.