1. Saib cov duab. Cov duab ntawm cov plooj (porcelain) uas tsim los ntawm qhov zoo yuav tsum yog, square thiab puag ncig. Qhov saum npoo ntawm cov plooj (porcelain) yuav tsum tsis muaj qhov tsis sib xws. Yog tias cov duab thiab cov qauv ntawm cov porcelain tshuaj yej teeb sib xws, cov lauj kaub thiab khob yuav tsum tau ua kom zoo ib yam, tus kov ntawm lub teapot yuav tsum tsis txhob me dhau, thiab lub cev yuav tsum tau txuas nrog lub hau.
2. Saib ntawm qhov chaw. Qhov saum npoo ntawm cov plooj (porcelain) uas zoo heev yuav tsum yog du thiab muag heev, thiab cov xim yuav tsum yog dawb. Lub glaze kuj yuav tsum du thiab huv si, thiab lub glaze yuav tsis muaj qhov tsis xws luag thiab npuas. Nyob rau tib lub sijhawm, sab hauv ntawm cov plooj (porcelain) yuav ci nyob rau hauv lub hnub.
3. Saib lub cev porcelain. Thaum yuav cov khoom vaj khoom tsev ceramic, peb tuaj yeem maj mam flick lub plooj (porcelain) nrog peb tus ntiv tes. Yog hais tias lub suab yog qab ntxiag, nws txhais tau hais tias lub cev yog zoo thiab ntom, thiab zoo heev. Yog hais tias lub suab nrov nrov, nws txhais tau hais tias lub glaze ntawm lub plooj (porcelain) puas los yog lub cev tsis zoo.
4. Saib cov qauv xim. Txawm hais tias cov duab ntawm cov plooj (porcelain ornaments) zoo li cas, lawv cov qauv thiab cov xim yuav tsum meej thiab zoo nkauj. Nyob rau tib lub sijhawm, cov plooj (porcelain) sib xws kuj yuav tsum tau them sai sai rau cov xim. Cov qauv yuav tsum tau sib koom ua ke kom lawv zoo nkauj dua.
