Magiya owongoka a Bevel amagwiritsidwa ntchito ku Marine Prossions, monga mu injini za sitimayo ndi matope otuluka. Amakhala ndi gawo lofunikira kwambiri pakuthandizira mphamvu yothandiza ndi kutembenuka kwa torque m'madzi am'madzi. Magiya awa ndi opindulitsa kwambiri chifukwa cha kuthekera kwawo kufalitsa mphamvu pakati pa mabotolo kumanja kumanja, komwe ndikofunikira poyerekeza ndi mabwato oyambitsa chotengera kapena kumbuyo. Mapangidwe awo ndi magwiridwe awo amawapangitsa kukhala chinthu chofunikira kwambiri pamakina a mabwato ndi zombo.