Isahani idafite ibyuma ifite ubuso bworoshye, plastike ndende, ubukana nimbaraga za mashini, kandi irwanya ruswa na acide, gaze ya alkaline, ibisubizo nibindi bitangazamakuru.Nicyuma kivanze kidashobora kwangirika byoroshye, ariko kitarangwamo ingese.Isahani idafite ibyuma yerekeza kuri st ...
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