1. Tsis txhob siv cov rigging puas

2, thaum nqa, tsis txhob twist, rigging

3, tsis txhob cia rigging knot

4, kom tsis txhob cuam tshuam kev sib tsoo los yog ua haujlwm ntau dhau

5, thaum tsiv rigging, tsis txhob rub nws

6, kom tsis txhob muaj zog lossis poob siab load

7, txhua lub rig yuav tsum tau kuaj xyuas ua ntej txhua qhov kev siv

8, Polyester yog resistant rau inorganic acids, tab sis yog yooj yim rau organic acids

9. Polypropylene yog tsim rau siv nyob rau hauv cov chaw uas tiv taus tshuaj lom neeg

10, nylon muaj peev xwm tiv thaiv inorganic acids, yooj yim rau organic acid puas

11. Thaum cov nylon ntub dej, nws tuaj yeem poob mus txog 15%