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Cov Hnyav Dawb Feem Ntau
Feem ntau hais lus, kev cob qhia hnyav dawb yog qhov tsim nyog dua rau cov neeg uas muaj kev paub dhau los. Piv nrog rau lwm tus, cov hnyav dawb feem ntau tsom mus rau kev koom tes tag nrho lub cev, qhov yuav tsum tau muaj zog dua, thiab cov phiaj xwm kev cob qhia yooj yim dua thiab yoog tau dua. Cov khoom no muaj tag nrho 16 qhov hnyav dawb xaiv los ntawm.
