How Pens Work By: Kim Medeiros | - Pens are ranked high among the most often and widely used writing instruments. In the United States alone, about 2 billion pens are manufactured annually. There are many different kinds of pens but the most common ones are 1) ballpoint pens, (2) fountain pens, (3) soft-tip pens, (4) roller ball pens, and (5) specialty pens.
Ballpoint pens have a tiny brass, steel or tungsten carbide ball as the writing tip. The ink reservoir is the compartment in the pen that holds the ink and a nar ... Tags:promotional Ballpoint pens, Ballpoint pens, Personal Ballpoi