Kupha tizilombo toyambitsa matenda a ozoni ndi njira yomwe imagwiritsa ntchito mpweya wa ozoni kuchotsa tizilombo toyambitsa matenda ndi mabakiteriya m'malo amkati.Ndi njira yotetezeka komanso yothandiza yopha tizilombo toyambitsa matenda yomwe simafuna mankhwala ankhanza kapena zotsalira.Izi zitha kugwiritsidwa ntchito m'malo osiyanasiyana, kuphatikiza zipatala, masukulu, maofesi, ndi nyumba.Mpweya wa ozoni umalowa m’malo n’kukafika kumadera amene njira zachikhalidwe zoyeretsera sizingathe.Ndilonso njira yosamalira zachilengedwe yophera tizilombo m'malo amkati.