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The advent of metal tools

Release time：

2024-07-20 00:00

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The advent of metal tools

At the beginning of the natural copper, stone axe cold forging processed into small ornaments, limited use, and later learnt to smelt copper ore, smelted pure copper texture is softer, and the origin of copper is less, can not be widely used to make tools, so with stone tools and use. But the emergence of copper smelting marks a leap in the productivity of primitive society, from now on, mankind began to enter the metal age.

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