Olu chungechunge luqhutywa ngesikrufu, luvalwe ngokupheleleyo, luncinci, lukhaphukhaphu kunye neempawu eziqinileyo eziphezulu. Eli nqanaba liqulethe imodyuli yabasebenzi beebhola eziqhutywa yi-motor exhotyiswe ngentsimbi yesigqubuthelo sensimbi engenasici ukukhusela amaqhekeza ukuba angangeni okanye aphume.