I want a simple answer of "what's history of paper and how to make good use of paper?"

I want a simple answer of "what's history of paper and how to make good use of paper?"(in english)

Paper was invented by a chinese man whose name is CaiLun in East Han dynasty。At first paper was made of fishnet and bark while made of trees now.
How to make a good use of paper? You should not put any paper into a ashcan until it can't be used anymore.
You should collect the useless papers and send them to the recycle bin,and it can renewed by the paper factory.

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