Kugeza ubu, abakoresha benshi kandi benshi basaba ibyuma byerekana ibimenyetso byo hanze. Mubisanzwe byo gushiraho hanze harimo icyaro, icyaro, imirima, parike rusange, ibirombe, hamwe na peteroli. Ugereranije no kuzamura ibimenyetso byo mu nzu, gushiraho ibyuma bigendanwa byo hanze bisaba kwitondera ibikurikira ...
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