Kev lag luam ceramic tableware cia siab tias yuav pom kev loj hlob tseem ceeb hauv xyoo tom ntej vim muaj ntau yam xws li kev hloov pauv cov neeg siv khoom nyiam.
Hauv kev ua tiav rau kev lag luam ceramics, cov txheej txheem luam ntawv tshiab hu ua Under-glaze Pad-stamping yog hloov pauv txoj kev cov khoom siv ceramic tsim thiab tsim.