I-lathe yeziqhamo elingawudluli luhlobo lwezinto ezisebenza ngogesi ezisetshenziselwa ukulungisa ama-wheelsets ezithuthi zokuhamba ngensimbi, ikakhulukazi esetshenziselwa ukugcinwa kwezimoto zikagesi, izimoto ze-diesel kanye nezithuthi ze-subway, futhi ingalungisa umonakalo we-rim kanye ne-tread ngaphandle kokukhipha ama-wheelsets.