The elu àgwà osisi impregnation ichebe tan k nwere kọmpat na ezi uche bughi imewe, dị mfe ọrụ, elu ọrụ, ike egosipụta, na nke osisi nhazi ike, ngwá nhọrọ, inyeaka na-arụ ọrụ oge na-gbara, elu arụmọrụ, chemical imegharị ihe maka iji, mmepụta na-eri ala, nke na-adịghịkwa mmebi gburugburu ebe obibi.
