1. The motor must be grounded as required;
2. During the polishing process, the operator shall not be too close to the feeding bracket to avoid the polishing wax or polishing sand flying out and hurting people;
3. During the polishing process, the operator's body parts should not be close to the rotating parts of the machine to avoid damage to the body;
4. After the workpiece is polished, there will be a certain degree of heat. When taking the workpiece, please wear gloves to avoid burning your hands;
5. In the process of workpiece processing, except for pressing the emergency stop button in emergency, in other cases, you must wait for the workpiece to exit before stopping;
6. The emergency stop button is mainly used to control the emergency stop when an accident occurs, and the operator should use the button correctly;
7. Be sure to wear protective glasses during use to avoid sparks splashing into your eyes during polishing.