Art, asked by kavithks, 4 months ago

In shades of pencils like HB 2B 4B 6B 10B what is the full form of B?
And what is the full form of HB

Answers

Answered by itrk229

1

The full form of HB is Hard black
And these are the hardness of the grades of 2B,4B,6B etc.

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