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Answer the following questions about pencil drawing: - When were pencils first used? - What is graphite? - What is an HB pencil? - What happens when the H.
-Pencils were first used in 1662. -Graphite is a crystalline form of the element carbon with its atoms arranged in a hexagonal structure. - HB is a graphite hardness/grading scale: the higher the number next to H, the harder and lighter/less dark the pencil lead is. - The H stands for “hard.”
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