1, do not use a damaged Sling
2, when lifting, do not twist, twist cable
3, do not let the cable tie
4, to avoid tearing the commissural or sewing work
5, when when you move the cable, do not pull it
6, to avoid extortion or shock loads.
7, each of the slings before each use must be checked
8, polyester resistant to inorganic acids function, but vulnerable to organic acid damage