Dab tsi yog qhov kev npaj thiab tshuaj xyuas ua ntej pib lub khov nqaij slicer

1. Tshawb xyuas cov cuab yeej kev nyab xeeb ntawm cov nqaij khov khov thiab txhua qhov kev ua haujlwm hloov pauv yog qhov qub.

2. Nws yog ib qho tsim nyog los xyuas kom meej tias lub hwj chim qaum, ntsaws thiab lub qhov (socket) yog qhov zoo.

3. Tshawb xyuas seb cov nqaij khov khov khov puas ruaj khov thiab seb cov khoom puas xoob.

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

Cov hniav ntawm cov nqaij khov khov yog cov ntse heev, yog li thaum npaj thiab kuaj xyuas cov haujlwm, nws yog ib qho tsim nyog yuav tsum ua raws li txoj kev ua haujlwm kom raug, tsom mus rau kev tshuaj xyuas qhov sib cuag ntawm nws cov hlua hluav taws xob thiab seb cov khoom puas yog xoob.