Hamwe niterambere ryihuse ryubukungu bwisi yose, icyifuzo cyibyuma mubikorwa byubwubatsi bugezweho biriyongera, kandi bibaye imbaraga zingenzi zo guteza imbere imijyi no kubaka ibikorwa remezo. Ibikoresho by'icyuma nk'isahani y'icyuma, Inguni y'icyuma, U-sha ...
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