Qhov hluav taws kub qhov rooj thawb pas nrig yog tam sim no siv nyob rau hauv cov chaw muaj neeg coob. Nias lub pas nrig nrog rau qee qhov ntawm lub cev, thiab lub xauv tuaj yeem qhib kom paub txog kev khiav tawm thaum muaj xwm txheej ceev thaum muaj hluav taws kub. Lub qhov rooj hluav taws xob thawb pas nrig muab 24-teev kev tiv thaiv tsis muaj kev cuam tshuam, tiv thaiv kev tawm tsis raug cai los ntawm lub qhov rooj tawm thaum muaj xwm txheej ceev thiab txo txoj kev pheej hmoo ntawm kev nyiag khoom.

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