Izinsimbi zomzila zensimbi ziyingxenye ebalulekile ekuthuthweni kwezitimela. Zinamandla aphezulu futhi ziyamelana nokuguguleka futhi zingamelana nokucindezela okukhulu kanye nokushayisana okuvamile kwezitimela. Ngokuvamile zenziwe ngensimbi yekhabhoni ephathwa ngokushisa ukuze kwandiswe ubulukhuni nokuqina. Ukwakheka kwezinsimbi zomzila kuqinisekisa ukuzinza nokuphepha okuhle, futhi kunganciphisa ngempumelelo ukudlidliza nomsindo lapho izitimela zisebenza. Ngaphezu kwalokho, ukumelana nesimo sezulu kwezinsimbi zomzila kwenza zikwazi ukugcina ukusebenza okuhle ezimweni ezahlukene zezulu futhi zifanele ukusetshenziswa isikhathi eside. Sekukonke, izinsimbi zomzila ziyisisekelo esibalulekile sokuqinisekisa ukusebenza okuphephile nokusebenza kahle kwezitimela.