Ntxiv rau qhov hluav taws xob tib yam, kub hnyiab, thiab hluav taws kub nyhiab xws li phau ntawv arc vuam, argon arc vuam kuj tseem muaj cov khoom siv hluav taws xob ntau zaus, hluav taws xob hluav taws xob, hluav taws xob hluav taws xob, hluav taws xob hluav taws xob, vuam cov pa luam yeeb, thiab cov pa roj carbon monoxide uas muaj zog dua li phau ntawv arc vuam. Mas...
Nyeem ntxiv