I le taimi nei ua matou faʻamaeʻaina lelei le faʻatonuga mo vaega faʻaofuofu manganese maualuga mo le matou tagata faʻatau Peretania. O vaega o lo'o fa'amautu lau auvae ipu ma movable auvae ipu, lea e talafeagai mo C80, C106 ma C110 auvae crushers. O nei vaega e faia i le Mn18Cr2 maualuga manganese sila, ...