Chifukwa cha kukhudza ndi kudula kwa abrasive pamwamba pa workpiece, pamwamba pa workpiece pakhoza kukhala ndi ukhondo winawake komanso kuuma kosiyanasiyana, motero kumawongolera mawonekedwe a makina a workpiece pamwamba. Chifukwa chake, onjezerani kukana kutopa kwa workpiece, onjezerani adhe...