Cov khoom tseem ceeb rau khob ceramic yog av nkos, tsis tshua muaj hlau. Nws yuav tsis nkim peb cov peev txheej nyob, thiab nws yuav ua rau ib puag ncig. Nws tsis rhuav tshem cov peev txheej thiab tsis muaj tshuaj lom thiab tsis muaj mob. Kev xaiv ntawm ceramic khob qhia txog peb txoj kev nkag siab txog kev tiv thaiv ib puag ncig thiab kev nyob ib puag ncig.
Lub khob ceramic yog ib puag ncig tus phooj ywg, ruaj thiab siv tau. Nws yog crystallization ntawm av, dej thiab hluav taws. Cov khoom siv ntuj tsim, ua ke nrog lub zog ntawm cov xwm txheej, tau muab tso rau hauv tib neeg kev tshawb fawb thiab thev naus laus zis los tsim cov khoom siv niaj hnub tseem ceeb hauv peb lub neej. Kev tsim lub tshuab hluav taws xob yog txheej txheem tseem ceeb hauv tib neeg kev vam meej -- nws yog thawj zaug uas tib neeg siv cov khoom ntuj tsim thiab tsim cov khoom tshiab raws li nws lub siab nyiam. Kev tsim cov lauj kaub tais diav hauv Suav teb muaj keeb kwm ntev, txiav txim siab los ntawm Late Paleolithic pottery pom nyob rau hauv cheeb tsam Nihewan, Yangyuan County, Hebei Province.
