... , high-quality materials,the roller with hard chrome, non-stick and not easy to scrapped;2)unique design of the immersion ... specially designed, the thickness can be pressed the thinnest 1mm,thick and uniform;3)folding design ,reduce space, easy for handling.4 ... peeling paint.2)can add the pedal switch and the question paper sticks,convenient and quick. 3)another without downtime shift ,automatic ...