Rau cov hluav taws xob cov rooj ua haujlwm , txhua tus muaj cov lus qhia ua haujlwm tshwj xeeb ntawm txhua tus neeg siv hluav taws xob, yog li qhov ua tau zoo ntawm cov neeg siv hluav taws xob tau txais los ntawm ntau cov neeg siv khoom thiab nyiam lub koob npe zoo hauv ntau lub tebchaws. Mecanmed cov hluav taws xob cov lus muaj tus cwj pwm kev ua haujlwm & cov qauv kev kawm thiab cov ntaub ntawv sib tw, rau cov lus qhia ntxiv txog cov khoom siv hluav taws xob ua haujlwm , thov hu rau peb.