Olu ngcelele lusebenzisa imhlophe kukhokelele lokukhanyisela i-nyikial kwaye inika eyona mbono ibalulekileyo yobuso be-Ferrule. Inemisebenzi efanelekileyo yokusebenza kunye neefilitha ezihlanganisiweyo kwaye zivelisa iinkcukacha ezigqwesileyo zokukrakra kunye nongcoliseko.