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    3. pencil hardness codes ie HB
    pencil hardness codes ie HB

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    0  Views: 331 Answers: 1 Posted: 14 years ago
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      H stands for hard and the numbers are degrees of hardness - 1 being the softest. These pencils are most often using for mathematical purposes, for example drawing graphs


      B stands for black and again the numbers stand for degrees of 'blackness' - 2B being more 'black' and softer than just B. The pencils are used by artists

      14 years ago. Rating: 0
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