1. Nrog lub tsho xim luj ntawm sab xub ntiag ntawm lub hauv paus kom paub meej cov xim number case thiab hloov ua tiav ntawm cov xim number case thaum luam ntawv.
2. Nyias thiab tsis muaj zog polyester lossis lwm cov ntaub ntawv siab.
3. Caj dab los yog roj-xim ua kom muaj xim-txheej.
4. Tom qab txheej nrog lub hauv paus los tiv thaiv hluav taws xob zoo li qub, hnav kom sov thiab txo qis kev sib txhuam los tiv thaiv taub hau luam ntawv.
5. Lub tsho xim sab nraud ntawm txheej los tiv thaiv tus number case xim thiab txhim kho qhov nplaum rau cov khoom luam tawm thaum luam ntawv.
