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Why Is It Called No 2 Pencil? [Solved]
A pencil’s location on the HB graphite grading scale depends on the hardness of its graphite core. The hardness of the graphite core is often marked on the pencil — look for a number (such as “2” “2-1/2” or “3”) — and the higher the number, the harder the writing core and the lighter the mark left on the paper.
Why Do I Have to Use a Number 2 Pencil?
Why do exams always tell you to use a number
The meaning behind pencil lead numbers
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Why do we use No. 2 pencils?
They are at the top of every back-to-school shopping list, but what makes the
