Answer
Kwifungisha impeta biranga 'tab' ntoya kumurongo umwe na 'slot' kurundi. Mugihe cyo kwishyiriraho, impeta yaguwe cyangwa igabanijwe nkimpeta isanzwe, ariko iyo imaze kwicara muri groove, ushyiraho agomba kwemeza tab 'gukanda' mumwanya. Ibi akenshi bisaba umurongo wa nyuma 'gushiraho' hamwe nigikoresho. Iyo bimaze gufungwa, impeta ntishobora kwaguka mu buryo bwuzuye, bigatuma iba nziza kuri porogaramu zo hejuru-RPM. Ariko, ibi bivuze ko impeta igoye kuyikuramo; mubisanzwe, gufunga tab bigomba guhagarikwa nintoki nigikoresho cyihariye. Mu giterane cyikora, sensor zigomba kugenzura 'gufunga' mugupima $ OD / ID $ yanyuma yimpeta.