Uruziga rworoshye rwo gusya nigikoresho cyo gusya gikunze kuba kigizwe nibintu byangiza, bifata, kandi byinyuma, hamwe nibikoresho bisanzwe bifasha harimo imyenda, gaze, impapuro, hamwe na fibre synthique, nibindi.Iterambere ryoroshye gusya ibiziga birashobora gukurikiranwa mugukoresha hakiri kare ab ...
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