A lead pencil consists of cylinder of wood with a solid cylinder of graphite

Hi, I have a question and I hope anyone could answer it:

A lead pencil consists of cylinder of wood with a solid cylinder of graphite 

Related Questions

You must login to add an answer.

1 Answer

  1. Answer:

    A lead pencil consists of a cylinder of wood with a solid cylinder of graphite filled in the interior. The diameter of the pencil is 7 mm and the diameter of the graphite is 1 mm.