Laser engraving machine: bamboo slips, wood, paper,jade, fabric,lether,shell, and the devil beans, signs, badge, in areas Laser Engraver uses flying ... laser beam back & forth and etches the image line by line. The image files can be transformed from scanner or digital photo, and ... as there is no wear and tear on the laser point. Convenient working conditions:Waste and noise levels are much lower than ...