Wood processing machinery. The three control points: First, all the operations done by the computer-controlled engraving machine at work, the computer in working condition, can not work the other layout may be caused by computer misuse waste; the second is the use of SCM control, engraving machine can be typeset at the same time work, but can not turn off the computer, can reduce the waste caused by computer misuse; third is the use of USB port to transfer data, the system has more than 32M of memory, save the finished file to completely out of the computer, Turn off the computer or other typesetting, can significantly improve efficiency.