Umugozi wangiza ibidukikije ni uwuhe kandi ni ibihe biranga?Intsinga zangiza ibidukikije zerekeza ku nsinga zitarimo ibyuma biremereye nka gurş, kadmium, chromium ya hexavalent, mercure, nibindi, ntabwo birimo ibyuma byangiza umuriro, ntibitanga imyuka yangiza ya halogene, ...
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