2. Operators should be familiar with safety operation technical regulations, conduct safety education and guide operations before operation;

3. Enter the site to wear a qualified safety helmet, fasten the chin strap, lock the buckle, wear goggles and insulating gloves;

4. Observe the labor discipline at the construction site, dress code should be standardized, and do not wear light slippers;

5. It is forbidden to chase slapsticks and drink operations at the construction site;

6. Check whether the appearance of the cutting machine is in good condition before class, and whether the protective cover of the belt guard and cutting piece is complete;

7. The switch of the cutting machine handle is sensitive and effective, and no reverse switch shall be installed. One switch and one switch of the control switch shall be opened.

8. It is forbidden for the cutting machine to open weather in rain and snow weather to prevent electric shock accidents.

9. The cutting machine is equipped with a guard plate in front of the cutting chips to prevent the chips from burning or injuring people or causing fire;

9. Cutting discs should be purchased inspection qualified outer diameter edge or cut residual diameter less than 250mm should be replaced;

10. Clean iron scraps and debris at any time to keep the working point tidy and clean, so that the net is clean and the cutting point should be kept away from flammable materials and places where there are more walking people;

11. The cutting machine is strictly prohibited to use the grinding machine;

12. After the completion of the work, the power is turned off, the distribution box is locked, and the cutting of the outdoor service industry is completed; rain and snow measures shall be taken;

13. Before using the cutting machine which is not used for a long time, it shall firstly be checked whether the appearance is intact, whether the switch is flexible, whether the insulation value of the motor is within the allowable starting range and which is not allowed to be used below the starting requirement;

14. Dust masks and goggles must be worn during the cutting operation.

The above content is based on the problems encountered by the students in the actual work, for reference, if you have any questions, please communicate and correct.