在调试的过程中，我们发现了2个问题；
1）定位轮偏小，不能把工件定位好；
这个问题已经解决；
2）如果工人勿按下按钮，可能造成隐患；
解决中
參考答案:In the debugging process, we found two problems; 1) Location round too small, not good workpiece positioning. The problems have been solved. 2) If workers are not pressed the button, and the possible hazards. resolved