Irola yokulinganisa idayimani idla ngokusetyenziswa ukulinganisa kunye nokufezekisa ubukhulu obufanayo kumphezulu weethayile zeceramic phambi kokupolisha. Ngombulelo kuphuculo oluqhubekayo lobugcisa kunye nengxelo evela kubathengi bethu, iirola zethu zokulinganisa idayimani zamkelwe ngenxa yokubukhali kwazo, ixesha elide lokusebenza, ukusetyenziswa kwamandla aphantsi, ingxolo ephantsi yokusebenza, isiphumo esihle sokusebenza kunye nokusebenza okuzinzileyo. Kukho iSaw yezinyo, izinyo elisicaba kunye nerola yokuguqula.