Ni iyihe mirimo ya gaze karemano?
Gazi karemano ni imwe mu mavuta atekanye, ishobora gukoreshwa mu gutanga amashanyarazi; Ishobora gukoreshwa nk'ibikoresho fatizo bya shimi; Ishobora kandi gukoreshwa cyane mu ziko rya gazi n'iry'ubucuruzi, mu byuma bishyushya amazi, mu gushyushya no mu bukonje, ndetse no mu gukora impapuro, mu byuma ...
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