Girazi faibha imhando yeinorganic nonmetal zvinhu zvine mashandiro akanaka, ane huwandu hwakawanda hwekushandisa.Girazi faibha kudzika kudiwa kunosanganisira zvekuvakisa, zvekufambisa (motokari, nezvimwewo), midziyo yemaindasitiri, zvemagetsi (PCB) uye simba remhepo, accounting ye34%, 27%, 1...
Verenga zvimwe