Efere igwe anaghị agba nchara
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304, 306 igwe anaghị agba nchara efere 2B mirror efere
304 306 igwe anaghị agba nchara nwere ezigbo nguzogide oxidation, nguzogide corrosion, nwere ike ịga n'ihu na-arụ ọrụ na oke okpomọkụ, nwere ezigbo nguzogide okpomọkụ.A na-ejikarị ya na mmanụ ala, ngwa elektrọnik, kemịkalụ, ọgwụ, textile, nri, igwe, ihe owuwu, ike nuklia, ikuku ikuku, ndị agha na ụlọ ọrụ ndị ọzọ.
