1. When the explosion -proof electric gourd is lifted, it cannot stand on the object, and it cannot be used to carry people.

2. During the transportation process, the goods cannot be standing under the goods to prevent the body from falling.

3. The hook should be used in normal state, and it cannot be used when it is shaken. As well as

4. Explosion -proof electric gourds cannot be crookedly stretched.

5. Do not hang those objects connected to the ground.

6. To use it within the scope of its permission, it cannot exceed this range.

7. Before use, make sure that the wedge is installed firmly and cannot be loose.

8. When the chain is bent, deformation, and severe cracks, the explosion -proof electric gourd cannot be used for hanging.