... . Application: 3D/2D engraving, Embossment, Line engraving, Cutting, Edge inversing, Drilling on Natural stones, Granites, Artificial stones, Tombstones, Milestones, Ceramic, Glass ... %~75% Engraving Samples: http://www.chinaengravingmachine.com/pid10569838/Stone+Work+Cnc+Engraving+Machine.htm