... .ce from NOVA 2.for many kinds of stone ,such as marble and granite stone engraving machine Technical Index No.discriptionParametermoudelBRS0915Working area900*1500mmMax ... -45Relative humidity: 30%~75% Applicable industry for Quarried Stone ,artcraft,tombstone,building etc.. Applicable materialtile, marble, granite, tombstone, white marble, sandstone, glass, metals