... etc;2.Cut & engrave on leather, cloth,glass,stone,acrylic,wood,color board etc;3. Apply on advertising decoration, gifts, ... material, composed of discharge tube, water-cooled jacket, gas storage cover and muffler. Sealed CO2 laser tube normally adopt three ... water, the interface without water leakage. Before using, the water storage containers must store enough water. When water running, make sure the ...