Txoj moo
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Hex Shows
Cov khoom laum no tshwj xeeb cov qauv hexagonal uas muaj ntau yam zoo dua qub ncig ua ke Laum. Los ntawm nce kev ruaj ntseg nce ntxiv rau kev txhim kho drilling qhov tseeb, lawv tau ua sai dhau kev xaiv rau ...Nyeem ntxiv