Qhov ntsuas kub tsis tu ncua thiab cov av noo yog cov cuab yeej siv ntau dua rau kev ntsuas kev ntseeg ib puag ncig, uas yog siv dav hauv kev lag luam xws li cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob, kev lag luam tub rog, plastics, kho vajtse, tshuaj lom neeg kev lag luam, thiab lwm yam, xws li: cov khoom siv hluav taws xob, khoom siv hluav taws xob. , nco...
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