Peb tau txais cov khoom lag luam zoo tshaj plaws hauv lub xeev, cov kws tshaj lij thiab cov kws tshaj lij thiab cov neeg ua haujlwm, tau lees paub cov txheej txheem ua haujlwm zoo tshaj plaws nrog rau cov kws tshaj lij kev muag khoom ua ntej / tom qab muag kev txhawb nqa rau Tsev Kho Mob Breathing Mask, Tiv tes npog , EN149 Cov Khoom Taw Qhia Plua Plav , N95 daim npog qhov ncauj ,Kws phais neeg cap pov tseg . Peb tau ua siab ncaj thiab qhib siab. Peb saib ua ntej ntawm koj qhov kev mus ntsib thiab txhim kho kev ntseeg siab thiab kev sib raug zoo mus ntev. Cov khoom yuav muab xa mus rau thoob plaws lub ntiaj teb, xws li Europe, Amelikas, Australia, Jamaica, Nepal, Ecuador, San Diego .Tau lub ntsiab lus tseem ceeb ntawm kev ua lub luag haujlwm. Peb yuav rov hais dua rau zej zog rau cov khoom lag luam zoo thiab kev pabcuam zoo. Peb yuav pib koom nrog hauv kev sib tw thoob ntiaj teb los ua thawj cov chaw tsim khoom ntawm cov khoom no hauv ntiaj teb.