1. Do not use damaged rigging
2. Do not twist and rig when hoisting
3. Don't let rigging tie knots
4 Avoid tearing the sewing joint position or overload work
5. When moving the rigging, don't drag it
6. Avoid robbery or shock load
7. Each rigging must be checked before each use
8. Polyester have anti inorganic acid function, but it is easily affected by organic acid damage