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A pencil with an eraser

I want to introduce invention of a pencil with an eraser.

It was invented by Lipman who was a artist.

He was forgetfulness.

Sometimes, He wondered if he brought his eraser.

So he attached his eraser to his pencil and a pencil with an eraser was invented.

These days, many people use a pencil with an eraser,which is a simple but novel invention.

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