The working procedure of tableware is to dig a kind of white and soft stone from the raw material collection field in the mountains, copy it in the water mill and crush it into small pieces, then put it into a big iron bucket with many pebbles in it, put a certain amount of water in it, seal it and keep turning it in the puddle. After those small pieces of gravel become fine mud, put the mud into a cloth bag, filter and squeeze it into very soft mud, and use this mud to make a bowl. What are the process steps in the manufacture of Lingyijia tableware? This is probably the case.