Plua plav qhov ncauj qhov ntswg KN100 thiab KN95 yog siv nyob rau hauv ntau qhov chaw

KN100 qhov ncauj qhov ntswg yog tsim nyog rau kev tiv thaiv ntawm ntau yam uas tsis yog-roj heev tshuaj lom, carcinogenic thiab radioactive hais;

KN95 qhov ncauj qhov ntswg yog tsim rau cov tsis muaj roj, muaj kuab lom cov plua plav, pos huab thiab pa luam yeeb. Piv txwv li, qee qhov hnyav hlau plua plav, vuam fumes, thiab lwm yam.