tagartist: (4)
chloe price ([personal profile] tagartist) wrote in [personal profile] virtuosoweblumexpert 2019-06-25 02:06 pm (UTC)

image;

I think more people would be confused by the chemical make up of the graphite than a scale that just basically rates how hard and how black it is. So like a number two is pretty well known for meaning 2HB - very hard and very black.

Post a comment in response:

If you don't have an account you can create one now.
HTML doesn't work in the subject.
More info about formatting