Pencil And Eraser: How Do Pencils Work? How Do Erasers Work?

When you write you deposit graphite flakes on the paper. Now, when you use an eraser to rub off, these flakes are lifted off due to friction.

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When the eraser on your mechanical pencil gets down to an infinitesimal nub.

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MARTCOLOR Professional Eraser Pencil Set, 6pc Eraser Pencils and 2pc Sharpener, Erasing Small Details or add Highlights for Sketching, Charcoal Drawings. Fine Detail Eraser for Beginners & Artists - Yahoo Shopping

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