Cov txheej txheem tshuaj xyuas ua ntej pib lub nqaij nyuj slicer

1. Cov hlua hluav taws xob, ntsaws thiab lub qhov (socket) yog qhov zoo;

2. Cov khoom siv kev nyab xeeb thiab kev ua haujlwm hloov pauv yog qhov qub;

3. Cov khoom siv ruaj khov, thiab cov khoom tsis xoob;

4. Tom qab paub tseeb tias tsis muaj qhov txawv txav, pib qhov kev sim khiav ntawm cov khoom siv, thiab tom qab ntawd ua haujlwm.