1. Mbere yo gutunganya amazi yo kwisiga Amazi asanzwe akunze kuba arimo ibyondo, ibumba, humus nibindi bintu byahagaritswe hamwe n’umwanda wa colloidal na bagiteri, ibihumyo, algae, virusi nizindi mikorobe, bifite umutekano muke mumazi, nibyingenzi igitera amazi mabi, ibara numunuko.The ...
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