Cov kua sib tov yog tsim los yaj thiab sib tov cov kua nplaum sib txawv thiab cov khoom lag luam hauv lub xeev uas tsis tshua muaj kev sib tw thiab kev sib cais siab nrog pheumatic raising thiab ntog.Cov cuab yeej tsim nyog rau emulsification ntawm cov tshuaj, tshuaj pleev ib ce, tshuaj lom neeg cov khoom, tshwj xeeb tshaj yog cov khoom uas muaj viscosity siab los yog cov khoom hauv lub xeev.
Qee cov ntaub ntawv yuav tsum tau ua kom sov rau qhov kub thiab txias (hu ua pretreatment) ua ntej sib xyaw nrog lwm cov ntaub ntawv.Yog li lub lauj kaub roj thiab lub lauj kaub dej yuav tsum tau muab tso rau hauv cov kua sib tov rau qee qhov.
Emulsify lauj kaub yog siv rau emulsifying cov khoom uas nqus los ntawm cov roj lauj kaub thiab dej lauj kaub.