1.Corrosion kuj, kuaj los ntawm ntsev tsuag rau 72 teev
2.Oil thiab hnyav kuj
3.Qhov kub thiab txias tsis kam (-40 ℃ ~ 80 ℃)
4.Zoo UV tsis kam, kuaj los ntawm ozone kuaj tshuab rau 72 teev
5.Folding thiab stretching kuj
6. Hnav-tiv taus
7.Zoo scraping kev ua tau zoo, huv si, streak-free, nyob ntsiag to.