Thaum kuaj xyuas hauv tsev so, siv sijhawm ib feeb los nrhiav qhov chaw tawm thaum muaj xwm txheej ceev, kev khiav tawm thiab cov khoom siv tua hluav taws nyob ze. Thaum muaj hluav taws, kev paub meej ntawm txoj kev khiav tawm tuaj yeem txhim kho koj txoj kev muaj sia nyob. Tsis txhob tsis quav ntsej cov lus qhia kev nyab xeeb tom qab lub qhov rooj ntawm chav tsev.
