1
1. Kev Tswj Lag Luam
Saib tag nrho cov xwm txheej thiab cov ntsiab lus muag ntawm qhov chaw them nyiaj txhua hnub
2. Cov khoom siv ua haujlwm saib xyuas
Nyob deb saib xyuas lub sijhawm ua haujlwm ntawm cov cuab yeej tseem ceeb los ntawm tus neeg siv xov tooj ntawm tes lossis PC
3. Tswb tswj
Muab faib thiab tswj cov ntaub ntawv ceeb toom ntawm lub xaib raws li qib, thiab ceeb toom rau cov neeg siv khoom hauv lub sijhawm los ntawm kev thawb
4. Kev tswj cov khoom siv
Tswj xyuas kev saib xyuas thiab saib xyuas cov cuab yeej tseem ceeb, thiab muab kev ceeb toom ntxov rau cov khoom siv tas sij hawm
