1. When operating, the operator should pay attention to whether the accessories are intact, whether the insulated cable line is broken and whether there is aging, etc. After checking, plug in the power supply before the operation can be carried out.

2. When cutting and grinding operation, there should not be people and explosive items within one meter around, and do not work in the direction of people to prevent casualties.

3. When the grinding wheel is used up and needs to be replaced, the power should be disconnected for replacement, in case the switch is accidentally pressed, causing unnecessary accidents.

4. When working with dangerous and flammable materials, we should equip more than two fire extinguishers to prevent accidents before they happen. To do the principle of safety first, production second.

5. After a long period of 30 minutes of use, you should stop resting for more than 20 minutes and wait for cooling before you can operate. Prevent the process of long-term use, the temperature is too high, easy to make easy to damage, resulting in industrial accidents.

6. In the use of the time, we should follow the specifications and instructions to use, regular inspection, maintenance, to ensure that the work intact, to reduce the occurrence of accidents.