Yin aiki tare da nau'in ajiyar nau'in sprocket shine mafi kyau don samun cancantar tattalin arziki da aka samu daga nauyi mai sauƙi da tsawon rai. Yana da kyau a maye gurbin sarkar filastik lokacin da abokan ciniki ke buƙatar magance matsaloli ta sarkar filastik, kamar tsawo da lalacewa. Kuna iya cire sarkar filastik kawai kuma shigar da sarkar SAV kamar yadda ba kwa buƙatar canza sprocket.