Lub tshuab nqus tsev txiv hmab txiv ntoo yog feem ntau ua los ntawm cov ntaub ntawv raw, uas yog cov khoom siv hluav taws xob ib puag ncig, ua kom yooj yim. Tus tsiaj lub tshuab nqus tsev muaj cov ntim zoo, ob-txheej kub thiab huab cua teeb meem, khaws cov as-ham hauv cov khoom xyaw, thiab yog qhov haum rau cov txiv hmab txiv ntoo thiab tsev {}}
Cov Khoom Siv Lub Tshuab Nqus Tsev Lub zog xws li kev tiv thaiv, muab faib, lawv tuaj yeem txhim kho cov khoom muag thiab muaj peev xwm ua kom pom cov khoom siv ntawm cov khoom lag luam thiab cov npe nrov ntawm kev lag luam .
Tam sim no, muaj ntau ntau yam khoom siv ntau yam, thiab tib neeg tuaj yeem xaiv cov khoom noj khoom haus zoo dua los txhim kho cov khoom noj khoom haus zoo dua los txhim kho cov khoom lag luam zoo dua los txhawb cov khoom .
