1. raw khoom sib tov
1. raw khoom sib tov
Cov ntaub ntawv zoo raw khoom ua kom zoo lub cev thiab tshuaj lom neeg ntawm cov khoom.
2. txheej txheem kev txhaj tshuaj
2. txheej txheem kev txhaj tshuaj
Cov pwm meej thiab kev tswj xyuas nruj ntawm cov txheej txheem tsim khoom txiav txim siab cov khoom zoo.
3. kev kuaj xyuas zoo
3. kev kuaj xyuas zoo
Txhua yam khoom yuav dhau kev soj ntsuam nruj ua ntej xa khoom.
4. ntim
4. ntim
Cov khoom tsim nyog yuav tau ntim rau hauv thawj zaug, thiab tom qab ntawd ntim rau sab nraud.
5. khaws cia
5. khaws cia
Tag nrho cov khoom tiav lawm yuav muab cia rau hauv lub tsev rau khoom xa tuaj.
6. Kev xa khoom
6. Kev xa khoom
Muaj ntau txoj kev xa khoom xa tuaj rau cov neeg siv khoom xaiv.