Clutch ntsib qhov tsis yog asbestos dub hom xa mus rau guangzhou tsev khaws khoom rau Africa
Kub muag pheej yig tus nqi tsis-asbestos dub xim clutch ntsia lub nkoj mus rau Africa kev ua lag luam, zoo tshaj tus nqi thiab cov khoom xaiv rau Africa cov neeg siv khoom.
