Yuav kom muaj peev xwm ua tau raws li cov neeg siv khoom xav tau, txhua yam ntawm peb cov kev ua haujlwm tau ua nruj me ntsis raws li peb cov lus pom zoo, Cov nqi sib tw, Kev Pabcuam ceev rau Cov Khoom Siv Siv Pov Hwm Dub, Lub Taub Hau Cap Kev Kho Mob , Taub hau-mounted peb-seem tiv thaiv npog ntsej muag , Ffp3 Mask ,Cov me nyuam s n95 npog . Peb tos ntsoov yuav tsim kom muaj kev sib raug zoo ua lag luam mus sij hawm ntev nrog koj txoj kev sib koom tes. Cov khoom yuav muab xa mus rau thoob plaws lub ntiaj teb, xws li Europe, Amelikas, Australia, Somalia, Salt Lake City, Singapore, Holland . Tsis tas li ntawd, tag nrho peb cov khoom raug tsim los nrog cov cuab yeej siv siab heev thiab cov txheej txheem QC nruj kom ua tau zoo. Yog tias koj txaus siab rau ib qho ntawm peb cov khoom, thov tsis txhob yig tiv tauj peb. Peb yuav ua qhov zoo tshaj plaws kom tau raws li koj cov kev xav tau.