Emikhakheni yezimoto nezithuthuthu, ukusebenza nokuthembeka kwezinhlelo zokuqondisa kubalulekile. Ingxenye eyodwa ebucayi evame ukungabonwa ukuhlangana kwebhola le-push-pull pull. Lawamalunga akhethekile abalulekile ekuhumusheni ukunyakaza okuqondile kwezintambo ekunyakazeni okujikelezayo, ukuhlinzeka ngokulawula okuqondile nokuthuthukisa ukusebenza kwemoto jikelele. Ikhebula lokudonsa b