Nnukwu ibu ikike nke ngwaahịa iji zere kọntaktị n'etiti metal nwere ike na-akwụ ụgwọ ókè ike ezi abrasion eguzogide, ogologo ndụ esemokwu inhibits n'ibu vibration dustproof mmetụta dị mma nke ukwuu, ekwe ka mpụga ndu okporo ígwè mpụta ibu nwere ike etinye obi gị dum agbakwunyere eduzi ntụziaka nke mmiri mmiri. dynamics enweghị nsogbu dị ka a dum tank dị mfe, na mfe echichi mmezi ọnụ ahịa dị ala n'ihi na nke yi mgbanaka na, nwere ike dịkwuo ohere nke akara nke extrusion.