Corrected protractor indication error processing angle model

Due to the limited conditions, the internship factory of our school lacks the precision angle measuring tool. The students can produce the precision angle model of the workpiece with the angle of the internship. The angle of the inside and outside of the workpiece can only be measured by the ordinary 10,000 angle energy angle. The angle of the protractor is not accurate, and the angle is out of tolerance. Drawing requirements. In the course of the internship, we explored the use of the inner angle of the triangle and

Furniture Handle

Furniture Handle,Minimalist Glass Door Handle,Copper Black Circular Handle,Zinc Alloy Modern Handle

Zhaoqing Muyi Hardware Products Co., Ltd , https://www.muyihardware.com