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Heavy Copper PCBs tau siv dav hauv Cov Hluav Taws Xob Hluav Taws Xob thiab Hluav Taws Xob Hluav Taws Xob uas muaj qhov xav tau tam sim no siab lossis muaj peev xwm tua tau sai ntawm qhov txhaum tam sim no.Qhov hnyav tooj liab tuaj yeem tig lub rooj tsav xwm PCB tsis muaj zog rau hauv cov khoom siv, txhim khu kev qha, thiab kav ntev ntev thiab cuam tshuam qhov kev xav tau ntawm cov khoom siv ntxiv thiab cov khoom hnyav xws li cov dab dej kub, kiv cua, thiab lwm yam.
