Cov cuab yeej siv (lab) yog qhov kev tsim qauv tshiab, los ntawm kev ua haujlwm zoo heev thiab cov khoom siv raw zoo, kev ua haujlwm ntawm cov cuab yeej siv ntawm cov khoom siv siab. Peb zoo tag nrho rau txhua qhov kev nthuav dav ntawm cov cuab yeej siv lab , lav tau qib qis, yog li coj koj cov khoom zoo meej. Mecanmed yog ib tug kws tshaj lij Tuam Tshoj Kev Lag Luam Tuam Tshoj thiab chaw muag khoom, yog tias koj tab tom nrhiav rau cov khoom siv lab uas zoo tshaj plaws nrog tus nqi qis, Tham peb tam sim no!