01 Ubushinwa butanga zahabu kubushinwa Ibirahuri by'ibirahure byubushyuhe bwo gusiga amarangi, ibikoresho bya Buoyancy
Cenospheres nayo bita microsperes, ni inert, imiringoti idafite akamaro hamwe nuzuza uburemere bworoshye. Kandi Zifite ubucucike buke, butagira uburozi resist burwanya ruswa, butajegajega, imbaraga nyinshi, igice cyiza, cyiziritse, cyigunga amajwi, amazi make ...