Itha kumangidwa mosavuta komanso mwachangu popanda zida zothandizira.Malo otsetsereka alibe kukhudzana kwachitsulo, motero amachepetsa kuwonongeka kwa zitsulo.Zimakhala ndi zotsatira za damping kugwedera.Poyerekeza ndi zida za thermoplastic, mphamvu yonyamulira ma radial imawongoleredwa.Malo abwino ogwirira ntchito mwadzidzidzi ngati mafuta osakwanira.Kulekerera kolondola komanso kulondola kwazithunzi.