Midabkan 8 ee xawaaraha sare leh nooca flexo daabacaadda (100-120m / min) waa ikhtiyaarka ugu fiican ee boorsada warqadda iyo daabacaadda koobka warqadda, kuwaas oo ay ku qalabaysan yihiin rullaluistemadka dhoobada, wali kamarad, wiish alaab pneumatic ah iyo interface mashiinka bini'aadamka ee qeexida sare, oo leh hawlgal dabacsan.Wixii faallo ah, fadlan xor u noqo inaad na soo weydiiso