Kupha tizilombo toyambitsa matenda m'kati mwa makina opangira mpweya kumapangidwira kuti athetse tizilombo toyambitsa matenda ndi zowonongeka kuchokera kumayendedwe apamlengalenga a mpweya wabwino.Chogulitsacho chimagwiritsa ntchito ukadaulo wapamwamba kuyeretsa bwino ndikuyeretsa zida zamkati za mpweya wabwino, kuonetsetsa chitetezo ndi thanzi la odwala ndi ogwira ntchito zachipatala.Izi ndizofunikira kuzipatala, zipatala, ndi zipatala zina zomwe zimagwiritsa ntchito makina olowera mpweya kuti zithandizire odwala omwe akudwala kwambiri.
