Cov ntaub qhwv tsis-ntaub tuaj yeem khaws cia tau ntau xyoo

Cov ntaub qhwv tsis-ntev tsis ntev ntev thiab yog cov khoom siv hauv ib puag ncig uas tuaj yeem ua rau tsis xeb. Lub sijhawm ntev cia yog cuam tshuam nrog qhov zoo ntawm cov ntaub qhwv tsis tuaj yeem. Qee qhov tuaj yeem khaws cia ntau dua 2 xyoos. Qhov no yog nyob rau sab hauv tsev, hauv tshav kub. Sai li sai tau qhov kev hloov kho sai sai, ib hom spunbonded nonwoven npuag yog los tiv thaiv kev laus tsis muaj cov ntaub, uas nce ntau qhov kev puas tsuaj ntawm lub sijhawm ntawm cov ntaub tsis-ntaub.