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TPU txiav board chopping board muag khoom siv hauv chav ua noj kub
Cov yam ntxwv
1. Ua los ntawm TPU khoom
2.ECO-phooj ywg
3. Siv tau rau hauv lub tshuab ntxuav tais diav
4. Tshuaj tua kab mob
5. Siv riam phom tau zoo
6. Khoom noj khoom haus muaj kev nyab xeeb
