Hariho ubwoko bwinshi bwibintu byo kuyungurura kugirango bikureho ivumbi, nkumuyoboro wa gazi, imiyoboro ya gaze gasanzwe, imiyoboro ya biyogazi, ibiyungurura amavuta ya peteroli, nibindi. Byongeye kandi, hariho ibintu byungurura gazi yinganda, nibindi. mugari cyane. Ariko iyi filt ...
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