Xyoo no, Qhov tshwm sim tam sim ntawd, N95 daim npog ntsej muag tau dhau los ua lub hnub qub ntawm kev lag luam daim npog ntsej muag, "N95" sawv rau kev tiv thaiv kev nyab xeeb, Qhov tseeb, kuj tseem muaj "N95" hauv kev lag luam tsheb, Rau cov phooj ywg me uas tsav tsheb, huab cua ib puag ncig sab hauv lub tsheb kuj tseem ceeb heev, Nrog tib prot...
Nyeem ntxiv