hluav taws tua hluav taws hauv lub tsheb
Lub luag haujlwm ntawm lub tsheb hmoov hluav taws tua hluav taws yog txhawm rau tua cov hluav taws kub ntawm cov kua hluav taws xob, cov roj av thiab cov khib nyiab, vim tias cov qauv tsim thiab cov khoom siv ntawm lub tsheb yog ua los ntawm cov ntaub ntawv zoo li no.
Lub luag haujlwm ntawm lub tsheb hmoov hluav taws tua hluav taws yog tua hluav taws ntawm cov kua hluav taws xob, 
gases thiab khib nyiab, vim cov no yog cov khoom siv hauv kev tsim tsheb thiab khoom siv.
Tus naj npawb ntawm cov neeg tua hluav taws thiab tua hluav taws raug xaiv kom cov hluav taws tua hluav taws tuaj yeem tua hluav taws feem ntau uas tuaj yeem tshwm sim hauv lub tsheb. Qhov no yog qhov ua tau vim qhov tseeb tias lub dav hlau ntawm cov neeg tua hluav taws tua hluav taws tau txiav tawm cov pa cua los ntawm qhov chaw ntawm qhov hluav taws kub.
Lub tshuab tua hluav taws muaj kev cuam tshuam ncaj qha rau kev nyab xeeb ntawm tus neeg tsav tsheb thiab cov neeg caij tsheb thiab raug lees paub tias yog cov khoom siv tsheb uas yuav tsum tau ua, thiab nws qhov tsis tuaj yeem raug nplua los ntawm kev nplua. Txhawm rau kom lub tshuab tua hluav taws ua haujlwm tau zoo, nws yuav tsum tau kuaj xyuas thiab raug cai ib xyoos ib zaug.
