Isukari ni igihingwa gisanzwe gikoreshwa cyane mu isukari no kubyara peteroli. Nyamara, mu myaka yashize, ibisheke byavumbuwe bifite ubundi buryo bushya bwo gukoresha udushya, cyane cyane mu bijyanye no kubora ibinyabuzima, ifumbire mvaruganda, ibidukikije byangiza ibidukikije kandi birambye. Iyi ngingo itangiza ibi mu ...
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