1. Pob zeb diamond-puab stitching, khoom zoo
2. Txhim kho txoj siv hlua khi kom txhim khu lub cev shaping nyhuv
3. Kev tiv thaiv ntawm daim tawv nqaij, khoom txhawb nqa yas
4. Qhov ntev burr tsis muaj deformation
5. Ob-txheej paj rwb, tawv-phooj ywg thiab hws-absorbent