Amakuru
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Uburyo Flotation Frotation ikora
Inzira ya flothation isanzwe isobanurwa nkigikorwa cyumubiri-cyimiti, aho imyunyu ngugu ikururwa, kandi ikiyegeranya hejuru yigituba, ikajyanwa hejuru yakagari, aho ikuzura ikajya kumesa. , mubisanzwe hifashishijwe p ...Soma byinshi