... 2.automatic water-supplying cooling system 3.3D/2D engraving,Embossment,Line engraving ,ect. Features:1.Excellent design and well-chosen electric ... and waterproof design ensure stable transmission. Application:3D/2D engraving,Embossment,Line engraving ,Cutting,Edge inversing,Drilling on Natural stones,Granites,Artifical ... of X,Y axis Ball screw of Z axis. Marble Engraving Machine