Ahantu hamwe usanga ivumbi ryaka ryabyara metallurgie, amakara, inganda zikora imiti, amashanyarazi, gusya, gutunganya ibiryo nizindi nganda, ibidukikije byuzuye ivumbi bikunze kugaragara.Kubwibyo, guhitamo ibikoresho byiza byo guhumeka bizamura ibidukikije ...
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