Hard Lead vs. Soft Lead: Understanding the Key Differences and When to Use Each
Defining the Essence of Onerous Lead The muse of any pencil’s efficiency lies in its lead, a mix of graphite and clay. The ratio of those two parts determines the hardness of the lead. Onerous lead pencils, characterised by a better proportion of clay, produce a agency, light-toned line. Understanding the character of this lead … Read more
