Cov log tsheb kauj vab yog cov khib nyiab rov ua dua. Qhov no yog vim lub tsheb kauj vab log tsheb yog ua los ntawm cov roj hmab thiab qee qhov hlau, cov ntaub ntawv uas muaj nqi rov ua dua tshiab.
Thaum pov tseg cov log tsheb kauj vab, lawv tuaj yeem raug coj mus rau qhov chaw tsim khoom siv rov ua dua tshiab lossis cov chaw nres tsheb. Cov neeg ua haujlwm yuav txheeb thiab ua lawv raws li lawv cov khoom siv thiab cov xwm txheej rau kev rov ua dua tom ntej.
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov log tsheb kauj vab yuav tsum tsis txhob muab pov tseg tsis tu ncua, vim tias lawv tuaj yeem muaj cov khoom phom sij xws li cov hlau hnyav thiab tshuaj lom neeg, uas tuaj yeem ua paug rau ib puag ncig yog tias muab pov tseg tsis raug.
Tsis tas li ntawd, kev txheeb xyuas cov pov tseg kom raug pab nrog kev siv cov peev txheej thiab kev tiv thaiv ib puag ncig. Yog li ntawd, thaum pov tseg cov tsheb kauj vab log tsheb, txhua tus neeg yuav tsum sim coj lawv mus rau qhov chaw tsim khoom siv rov ua dua tshiab los txhawb kev siv cov peev txheej ruaj khov.