Cov khoom siv ua haujlwm rau kev xa cov khoom siv yog cov khoom siv thev naus laus zis, los ntawm cov khoom siv ua haujlwm zoo heev, kev ua haujlwm ntawm cov khoom lag luam kev ua haujlwm rau cov txheej txheem siab dua. Peb zoo tag nrho rau txhua qhov nthuav dav ntawm cov rooj ua haujlwm lub rooj rau kev phais cov cuab yeej , lav tau theem theem qis, yog li coj koj cov khoom zoo meej. Mecanmed yog tus kws tshaj lij Tuam Tshoj qhov chaw ua haujlwm ua haujlwm cov khoom lag luam kev tsim kho cov khoom lag luam uas muaj nqi phais nrog tus nqi qis, Tham txog peb tam sim no!