Attachment of two USB 2.0 compatible communication ports, which can manage system updates and data. Since the communication terminal can be charged, schedule management can be performed near the cutting machine, further accelerating the speed of business up to now. In addition, since you can communicate without worrying about the battery level, you can speedily navigate using a videophone. In addition to this, you can also realize the development of technology transfer using video. It is also possible to leave the intelligence that can not be conveyed only by letters to future generations…