Koj puas paub tias pej kum haiv hnub International Mine Awareness Day no yog hnub coj los qhia txog cov kev phom sij thiab txwv tsis pub siv tej mee thiab foob pob ntxiv kom txhob muaj kev pheej hmoo rau tib neeg txoj sia thiab cev nqaij daim tawv thiab txoj kev txhim teb kho chaw lawm
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