Cov kev cai zoo rau cov kab ntau lawm

Qhov zoo ntawm cov khoom qab zib tuaj yeem kuaj tau los ntawm cov yam ntxwv ntawm nws cov duab, tsos, xim, aroma, saj thiab hardness.

Zoo thiab zoo li

1. Cov duab ntawm cov khoom qab zib yuav tsum zoo huv si thiab ncaj, sib xws ntawm qhov loj, tsis muaj khoov, tawg thiab barbs.

2. Qhov saum npoo ntawm cov khoom qab zib yuav tsum yog du thiab huv, xws li cov khoom qab zib nyuaj yuav tsum ci thiab dawb, lub thickness ntawm daim tawv nqaij yuav tsum zoo ib yam, thiab cov filling yuav tsum tsis txhob raug.

3. Daim ntawv qhwv yuav tsum huv. Rau cov khoom qab zib yam tsis muaj ntawv qhwv, xws li khoom qab zib tov nrog granulated qab zib, cov xuab zeb hais yuav tsum sib npaug; rau cov khoom qab zib tsis muaj granulated qab zib, qhov saum npoo yuav tsum du thiab ci. Xim Cov xim ntawm cov khoom qab zib yuav tsum ci thiab sib xws, thiab yuav tsum muaj cov xim pom tseeb kom paub qhov txawv ntawm lwm yam.