Makina opha tizilombo toyambitsa matenda ndi chida chachipatala chomwe chimagwiritsidwa ntchito kuthetsa mabakiteriya, mavairasi, ndi tizilombo tina tating'onoting'ono tomwe timapezeka munjira ya gasi ya makina ochititsa dzanzi.Ndi gawo lofunikira kwambiri pakusunga ukhondo ndi chitetezo cha odwala ndi akatswiri azachipatala.Dongosololi limapangidwa ndi mankhwala ophera tizilombo, machubu, ndi zolumikizira kuti azitsuka bwino ndikuphera payipi.Ndi yosavuta kugwiritsa ntchito, yotsika mtengo, ndipo imatsimikizira kutsata miyezo yapamwamba kwambiri yoletsa matenda.