3. machine type feeder must be color marked closed-open, universal and the thot have prevent something affects the switch and cause the machine to work.
3. Construction type al automatically. Must have color mark - off. The switch automatically to match international standards. And have prevented any of the switches. As a result, the machine works
3 machine type automatic. To mark off the color - open. The switching ตช์ automatically according to international guidelines. And computer to prevent something hit the switch. Which is why the machine work.