Lub rooj muag khoom muag xov tooj yog qhov tsim tshiab, los ntawm cov ntaub ntawv siv tshuab tshiab, kev ua yeeb yam ntawm benchtop phott txog rau tus qauv siab dua. Peb zoo tag nrho rau txhua qhov kev nthuav dav ntawm Bechtoptpot phott , lav theem ua tau zoo, yog li coj koj cov khoom zoo meej. Mecanmed yog ib tug kws tshaj lij Tuam Tshoj Bechethat tsim lag luam thiab cov khoom lag luam, yog tias koj tab tom nrhiav rau qhov muag tau zoo tshaj plaws nrog tus nqi qis, Tham txog peb tam sim no!