Ukuqonda indima yeeRingi zePiston kwiTheyibhile yokuSebenza kweNjini yepetroli ngokubanzi yeMixholo. 2. Iintlobo zePiston Rings 3. Imisebenzi yeePiston Rings kwiinjini 4. Impembelelo zePiston Rings kwi-Injini yokuSebenza. kunye nokusilela 6. Ulondolozo kunye nokuKhathalela iiPiston Rings 7.
