I-elevator yodidi lwesitya isebenzisa i-chain drive ukulungisa isitya kwikhonkco, ukwenzela ukuba izinto ezihlukeneyo okanye ezinobunzima zingafakwa kwisitya esinye, esingelula ukuxuba.Izinto eziphathekayo zinokufudunyezwa okanye zipholile ngexesha lokuthutha ukupakisha.