Dhaimondi calibrating roller inonyanya kushandiswa kugadzirisa uye kuwana yunifomu ukobvu pamataira eceramic mataira pamberi pekupukuta. Nekuda kwekuenderera mberi kwekuvandudzwa kwehunyanzvi uye mhinduro kubva kune vatengi vedu, madhaimondi edu ekugadzirisa ma roller anotenderwa kupinza kwavo kwakanaka, nguva yakareba yekushanda yehupenyu, kuderera kwesimba rekushandisa, yakaderera kushanda ruzha, yakanakisa kushanda maitiro uye yakagadzikana kuita. Kune Saw zino, flat zino uye deformation roller.