Kaolin: also known as China clay; used in the manufacture of hand-paste porcelain and sometimes in the GROUNDS of paintings. Chemically it is hydrated silicate of aluminium.
👇 ស្វែងរកឯកសាររៀននិងការងារគ្រប់ប្រភេទនៅទីនេះ៖
👇 ស្វែងរកពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖