Umqolo omnye ogcweleyo ohambelana neebheringi ze-cylindrical roller ziyinxalenye yeqela leebheringi ze-radial roller.Ezi bheringi ziquka iiringi eziqinileyo zangaphandle, iiringi zangaphakathi kunye neeseti ezipheleleyo eziqengqelekayo.Ngenxa yokungabikho kwekheji, ukuthwala kunokwamkela elona nani likhulu linokubakho lezinto eziqengqelekayo.
