The tools of labor of ancient people were constantly improved?

Yes, their tools were gradually improved. Over time, they took on new forms and became more complex and reliable. Basically, in primitiveness, tools were made of stone. Only at the end of primitive time, people were able to learn how to work metal, after which the tools of labor began to be made of copper. This event belongs to the Chalcolithic period, which is also called the Copper-Stone Age. It lasted on earth from 7 to 3.5 thousand BC.



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