Njira yatsopano yoyesera fumbi yopangidwa ndi ofufuza a University of Queensland imapatsa ogwira ntchito chitetezo chabwino ku matenda monga mapapu akuda ndi silicosis.
Mtsogoleri wa Dongosolo la Fumbi ndi Kupumira Kwaumoyo ku Sustainable Minerals Institute Nikky LaBranche adati kuchulukitsidwa kwa ...