Igwe anaghị agba nchara dị arọ CW-15 bụ ihe na-ejide igwe anaghị egbu egbu na gburugburu ebe obibi. Kemịkalụ a nwere ike ịmepụta ngwakọta kwụsiri ike nke nwere ọtụtụ ion ọla monovalent na divalent n'ime mmiri mkpofu