Introduction to stone tools: The evolution of stone tools from "beating" to "grinding" is an important symbol of the division between the Paleolithic Age and the Neolithic Age. The stone tools unearthed from the Banpo site are finely ground, have sharp edges, are of various types, and have complete functions, reflecting the characteristics of specialization and diversification. Among them, carefully ground stone axes and stone adzes were the most important production tools at that time.
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