... monument, guiding monument,caligraphy monument,art stamp,etc.* Used to work the finishing on different materials of natural bluestone,marble, ... granite, jade,etc.* Used to finish the art glass, jade, screens, glass ornaments.* Used to work the secondary processing on the ... be achieved on the products by using these products.* Used to line engraving, 2D engraving, 3D engraving, cutting down ...