Lub pob zeb sib tov tsis tsuas yog txhim kho qhov sib tov ceev thiab qhov sib xws ntawm qhov sib tov, tab sis kuj txhim kho lub zog ntawm cov pob zeb, thiab tseem txo qis kev siv zog thiab kev tsim khoom.
Cov khoom sib xyaw ua ke yog cov khoom siv sib xyaw uas paub tab, tshwj xeeb tshaj yog siv hauv kev tsim kho kev lag luam kom ua tau raws li nws cov kev xav tau sib xyaw kom zoo.Nws cov yam ntxwv sib xyaw ceev ceev tau lees paub qhov kev tsim kho sai ntawm qhov project.
Cov khoom sib xyaw ua ke tau siv dav hauv ntau yam kev ua vaj tse vim lawv cov yam ntxwv zoo kawg thiab tsis muaj txiaj ntsig zoo.
Post lub sij hawm: Mar-01-2019