WHAT DOES BEST 2 PENCILS MEAN?

Pencils are created of Wooden using a graphite core within, which is in fact the combination of clay and finely grounded graphite, combined with h2o and pressed jointly at significant temperatures to make thin pencil rods. This process was formulated by Nicolas-Jacques Conté, a Frenchman, in 1795, and it is still the most widely applied method by