What were the stone tools in the Western Han Dynasty?

Stone tools in the Western Han Dynasty include: stone, stone mill, stone mill, stone pestle, etc.

Stone tools refer to tools made of rocks. They are the primary production tools of human beings and prevailed in the early period of human history. From the appearance of human beings to the appearance of bronzes, * * * has experienced two or three million years and belongs to primitive society. According to the different stages of development, it can be divided into Paleolithic Age and Neolithic Age, and some people list a transitional Mesolithic Age between Neolithic Age and Paleolithic Age.