Hnub no peb tuav lub rooj sib tham txog kev kawm cov neeg ua haujlwm.Kev muag khoom, engineer, Rhiav tau tuaj koom.Peb tus thawj coj tau hais rau peb tias peb yuav tsum ua dab tsi tom ntej.Thiab txhua tus tau qhia lawv cov teeb meem uas lawv ntsib.
Post lub sij hawm: May-18-2021