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Underground nziza yo mucyaro cyo kuvura ibikoresho
Icyiciro cya mbere cyibicuruzwa bya metero 1300 kuri kumunsi washyinguwe ibikoresho byo kuvura imyanda byakorewe kandi bitangwa neza mugihe nyuma yo kwemerwa nabakiriya. Umushinga wemeje "a2o + mbr membrane"Soma byinshi
