Alaabta
Xadhkaha rullaluistemadka cylindrical ee safka keli ah ayaa si fiican ugu habboon inay qaadaan xoogagga shucaaca sare.Iyadoo ku xiran naqshadeynta ama meelaynta garbaha, xadhkaha rolalka cylindrical ayaa awood u leh inay u adkeystaan xoogagga hoose ee hal ama labadaba.Xirmooyinka cylindrical-ka ah ee safka ah ayaa ah biraha la gooyn karo - taasoo sahlaysa in la isku keeno ama la kala furfuro xadhkaha.