Lokacin zayyana allunan da'ira da aka buga (PCBs), zabar hanyar tarawa da ta dace yana da mahimmanci. Ya danganta da buƙatun ƙira, hanyoyin tarawa daban-daban, kamar tari da tari, suna da fa'idodi na musamman. A cikin wannan sakon blog, za mu bincika yadda ake zabar ...
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