Nko ea sefahleho ea nko - Baetsi, factors ba tsoang China

Lihlahisoa tse tsamaisoang hantle, sehlopha sa batho ba nang le tsebo, le lihlahisoa le litšebeletso tse ntle ka mor'a ho rekisoa; Re boetse re le lelapa le leholo le kopaneng, batho bohle ba khomarela tumellano ea theko ea khoebo, boinehelo, mamello bakeng sa Nose Face Mask, Mosehla o se nang moferefere , P2 Maske a lahliloeng la P2 , Chlorine e senyeha? ,maske oa sefahleho sa oksijene . Lihlahisoa tsa rona li tsejoa haholo ebile li tšeptjoa ke basebelisi 'me li ka kopana le litlhoko tse tsoelang pele tsa moruo le tsa sechaba. Sehlahisoa se tla fana ka lefats'e ka bophara, joalo ka Europe, Amerika, Australia, Surabaya, Korea Boroa, Adelaide, Costa Rica .Ka litharollo tsa boemo ba pele, tšebeletso e babatsehang, ho fana ka potlako le theko e ntle ka ho fetisisa, re hapile haholo rorisa bareki ba tsoang linaheng tse ling '. Lihlahisoa tsa rona li rometsoe Afrika, Bochabela bo Hare, Asia Boroa-bochabela le libakeng tse ling.

Lihlahisoa tse amanang