... or partially output of the files. 2). Open style, the front and back of the machine is open which is possible for longer ... workpiece length.3). High quality water cooler, protect stable radiation and prolong the lift-span of laser. 4). With the ... 60W, 80W, 100W, 150W, 180W , 200W, 400W or higher,etc and other working areas 1000X600mm, 1200X900mm, 1400X900mm, 1300X900mm,1300X2500mm, 1500X2500mm, etc ...