... protection system Auxiliary DevicesExhaust fan And Exhaust pipe SoftwareLasercut 5.3 Graphic format supportedBMP, CIF, JPEG, TGA, TIFF, PLT, ... which facilitates our machine's smooth operation. 3. Economy laser engraver is designed with front and back running-through structure, which ... -long materials. 4. This laser machine is equipped with software which is specially designed and written for laser ...