Ripencil
Listen to those that have the fruit from the tree.
Thursday, May 2, 2013
Cement and The greatest inventions
The greatest human inventions are, in my opinion, the below:
1. Fire
2. Paper
3. Bread
4. The wheel
5.
Cement
The earliest known architecture made of cement was by the Ancient Macedonians and was popularized by the Romans.
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