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