1. Txoj kev yooj yim thiab ncaj qha yog hu rau thawj cov chaw tsim khoom thiab cov chaw tsim khoom, thiab cov khoom siv yuav tsum zoo.
2. Paub qhov qub chaw taws teeb tswj nti qauv, zaus, yuav tib tus qauv ntawm cov chaw taws teeb tswj, yooj yim code txuam.
3. Yuav universal tej thaj chaw deb tswj hauv internet, khiav lag luam raws li cov lus qhia, yig.
