UV luam yeeb xim ntau dua, qhov kev tswj xim txawv xim tsis yuav tsum tau lawv cov xim, luam xim xim, luam tawm cov khoom kuj yog cov dej tsis sib haum, kos-resistant, hnav-resistant thiab ntau lwm yam zoo, qhov tseem ceeb tshaj plaws, tsis khoom Cov kev txwv, ntev li ntev tau raws li cov ntawv luam thiab qhov teeb meem ntawm kev sib tw ntawm lub tshuab luam ntawv yuav tsum tau luam tawm.
