1. Txheeb xyuas tias cov txheej txheem tsim khoom ua tau raws li qhov yuav tsum tau ua ntawm daim npav txheej txheem;
2. Xyuas kom pom tias qhov zoo ntawm cov yeeb nkab stranding tshuab yog ci, lub compaction yog zoo heev, thiab tsis muaj qhov ploj lawm, cov kab xau, cov pob tawg, thiab lwm yam;
3. Txheeb xyuas tias qhov ntim ntim ntawm cov txheej txheem ntws tau raws li qhov yuav tsum tau muaj ntawm lub disk sab saud, lub kauj yog zoo li qub, thiab cov kab yog npaj kom zoo.
4. Tshawb xyuas cov khoom siv hluav taws xob ntau cov hlua hluav taws xob tsis muaj hluav taws xob thiab cov xwm txheej blackening hauv cov txheej txheem ntws;
5. Txiav txim siab tus naj npawb thiab kev taw qhia ntawm ntau cov strands hauv cov txheej txheem sab saud, cov paib tau nthuav dav, thiab cov kab tau zoo zoo;
6. Txheeb xyuas tias cov ntim khoom tsis zoo, thiab cov paib thiab qhov ntev yog raws li cov txheej txheem kev siv tshuab.
