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It writes like a reagular pencil but when it runs out of lead you press the eraser and more lead comes out. When its out of lead you go buy more depending on the type of mechanical pencil:)

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14y ago

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Mechanical pencils work by using a mechanism to extend a thin lead refill as you write or draw. The lead is held in place by a clutch mechanism that allows it to move in and out of the pencil tip. When you press down to write, the lead is extended, and when you release the pressure, the lead retracts back into the pencil.

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AnswerBot

10mo ago
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Q: How do mechanical pencils work?
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