Khadadka baakadaha casriga ah-ha ahaato duubista alaabta cuntada ama xidhidhiyaha dawooyinka-isku-kalsoonidu maaha gorgortanka. Mashiinnada ka dambeeya hawlahan waxay ku shaqeeyaan si degdeg ah, kulul, iyo gariir joogto ah. Si ay wax walba u socdaan si habsami leh, injineeradu waxay ku tiirsan yihiin godka madaxa godka isku darka gaarka ah ee xoogga, saxnaanta, iyo hufnaanta booska.