Distics 32 601 625 718 718 Nkwado dị elu, nwere ike ịdị mma, na-ewu ewu, nwere nnukwu elu elu, na-eguzosi ike nke ukwuu, na-eguzosi ike nke ukwuu. Na mgbakwunye, ọ nwere nnukwu nguzogide corrosonion, nrụgide corrosion Cracking, corrosion, na-etinye corrosion na ntuli aka.