1. Ukulawula izinga lokushisa okuhlakaniphile, ukucima ngokuzenzakalelayo uma kushiswa kakhulu.
2. Ukuvalwa kwezibhamu okuhlakaniphile kwandisa isikhathi sokuphila kwemoto ngempumelelo.
3. Injini ingasetshenziswa njalo amahora angama-24.
4. Izindawo zokonga amandla eziphansi kanye nezindawo eziphansi zine-decibel ephezulu yomsindo kanye nokusebenza kahle okuphansi.
5. Ukubhekana nezidingo zokuhlanza ngempumelelo.
6. I-valve elawulayo, kulula ukuyilawula ingcindezi yomthethonqubo wokucindezela kwamanzi.
7. Isilinganiso sokucindezela esibonakalayo esinembile.