Peb cov tuam txhab muaj npe nrov tau ua tiav lawv qhov muaj nyob hauv kev ua lag luam vim tias muaj cov khoom zoo ntawm cov tsheb thauj khoom. Peb cov kws tshaj lij uas tau txais kev cob qhia zoo tsuas yog siv cov khoom zoo thiab cov thev naus laus zis tshiab hauv kev tsim cov khoom no. Raws li kev cai thoob ntiaj teb thiab cov qauv, peb muab cov khoom siv tsheb thauj khoom nrog cov kev xaiv sib txawv raws li cov neeg siv khoom xav tau. Tsis tas li ntawd, peb cov neeg siv khoom muaj txiaj ntsig tuaj yeem tau txais ntau yam ntawm cov khoom peb muab ntawm tus nqi tsim nyog.