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  • Lub npog qhov ncauj uas peb hnav txhua hnub feem ntau yog cov ntaub npog ntsej muag, uas tuaj yeem muab faib ua peb txheej: txheej sab nraud yog txheej dej thaiv dej, uas tuaj yeem thaiv cov dej ua kua sib cais; txheej nruab nrab yog txheej lim, uas tuaj yeem cuam tshuam cov khoom seem; Sab hauv txheej yog txheej txheej-dej-nqus dej, uas tuaj yeem nqus cov dej ntawm lub pa tawm ntawm cov neeg hnav lub qhov ncauj thiab lub qhov ntswg.

    2020-07-28

  • Cov khoom siv uas tsis yog-khi rau lub plhaws kuj tseem tsim nyog rau kev tu vaj tu tsev, uas txuag teeb meem ntawm kev nkag mus ntawm lub qhov rooj thiab hloov khau, thiab ua kom txaj muag ntawm hle khau.

    2020-07-20

  • Meltblown daim ntaub yog cov khoom tseem ceeb ntawm lub npog ntsej muag.

    2020-07-18

  • Cov txheej txheem ntawm kev ua cov npog qhov ncauj pov tseg yog raws li hauv qab no: Cov qhov ncauj qhov ntswg pov tseg ntau nyob rau hauv kev ua lag luam yog ua los ntawm cov ntaub ntawv tsis muaj ntaub qhwv

    2020-07-13

  • KN95 daim npog ntsej muagN95 yog lub ntsej muag suav txheem ntawm daim npog ntsej muag KN95 yog ib hom npog ntsej muag nrog cov tshuaj txhaws ua kom zoo hauv peb lub teb chaws

    2020-07-13

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