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The homininds learnt to cave stone (bifaces). Also they perfected tool-making and used smaller stone chips for caving. Finally, the hominids made stone figures representing Venus, the goddess of fertility.
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Instead of hitting the stones, the humans started to polish them. So the obtained stone tools with much sharper edges.
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This period is divided into three ages depending on the type of metar thar was used:
- Copper: tools and weapons were very fragile.
- Bronze (alloy of copper and tin): it was more resistant. Humans used it to make farming tools and sophisticated weapons.
-Iron: was more abundant and resistant than the previous metals.
