1. The operator should meet the work requirements of good health, hearing, and vision, and familiar with equipment performance and operating procedures.

2. Before each class, we should do daily inspections of electric gourds. Steel ropes, hooks, brakes, flashlight doors, lubrication conditions, and operating venues are not abnormal, and they must not work with illness.

3. It is forbidden to use overloading, and prohibit buried objects and unclear items.

4. Forbidden to hang on to prevent damage to the guide rope and wire rope.

5. The lifting limiter is to prevent the hook from rising or decreased by the limit position, causing a safety device that causes accidents. It cannot be used as a normal parking switch often to prevent accidents from losing spirit.

6. Do not adjust the brake in the case of heavy objects.

7. When the lifting is running, it is not allowed to pass from the top of the person; when the heavy object is still in the air, people must not enter the underwear.

8. After the work, the total power must be cut off, and the heavy objects are not allowed to hang in the air to prevent deformation from the machine parts.