RoHS yanditse urutonde rwibintu bitandatu bishobora guteza akaga, harimo: kurongora Pb, kadmium Cd, mercure Hg, chromium ya hexavalent Cr6 +, polybromine diphenyl ether PBDE, polybromine biphenyl PBB.Umuryango w'ubumwe bw’ibihugu by’Uburayi uteganya ibintu bitandatu bishobora guteza akaga, hejuru muri byo ni: 1 isasu (Pb): 1000ppm;Mercure 2 (Hg): 1000pp ...
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