Kev khaws cov iav iav yuav tsum tau muab faib ua ntau pawg kom yooj yim nkag mus. Cov hauv qab no yog qee cov lus qhia los ntawm WUBOLAB, kws tshaj lij chav kuaj iav cov chaw tsim khoom. Lub pipette yuav tsum tau muab tso rau hauv lub thawv pov thawj plua plav tom qab ntxuav. Lub Laboratory burette yog ntxuav nrog dej ntshiab, ntim nrog dej ntshiab, npog nrog lub iav luv luv