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Yuav tsum tau ntawv pov thawj dab tsi rau cov khoom siv roj teeb xa tawm los ntawm Tuam Tshoj?
Vim tias lithium yog cov hlau uas tshwj xeeb tshaj yog cov tshuaj lom neeg, nws yooj yim rau txuas thiab hlawv, thiab cov roj teeb lithium yooj yim rau hlawv thiab tawg yog tias lawv ntim thiab thauj tsis raug, yog li qee qhov, cov roj teeb muaj kev phom sij.Sib txawv ntawm ordi...Nyeem ntxiv -
Dangerous Khoom Ntshuam Thiab Export
Xa Cov Khoom Siv Tshwj Xeeb Cov Khoom Uas Tsis Txaus Siab yog xa mus rau cov khoom txaus ntshai uas koom nrog hauv qeb 1-9 raws li cov qauv kev faib tawm thoob ntiaj teb.Nws yog ib qho tsim nyog los xaiv cov chaw nres nkoj thiab cov tshav dav hlau tsim nyog rau kev ntshuam thiab xa tawm cov khoom txaus ntshai, siv lub cav ...Nyeem ntxiv
