Hamwe niterambere ryiterambere rya siyansi nikoranabuhanga, ubuzima bwacu bwubukungu nabwo burahora buhinduka, uburyo bwo gukora nabwo bwarahindutse cyane, kandi ireme ryarazamutse kuburyo bugaragara.Kubaka imijyi, kuringaniza umuhanda surfac ...
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