Cov hnab looj tes ntxuav tais yuav tsum tau saib xyuas thiab ua siab ntev. Nov yog cov kauj ruam ntxuav kom yog: Cov dej sov: dej sov, ntxhua khaub ncaws, mos phuam lossis daim txhuam cev, tawv nqaij tus neeg sawv cev. Sau lub tais ntxuav tais diav lossis ntim nrog dej sov thiab muaj peev xwm dav ntawm xab npum me me. Ceevfaj tsis txhob siv tshuaj ntxuav kom huv ...