An eraser is a tool designed to remove pencil marks from paper. It typically has a rubbery texture and is available in various shapes, sizes, and colors. Some pencils even come with erasers ...
Pencils, erasers, ballpoint pens - it was always fun to start a new term with a new brace of equipment in your pencil case. And have you ever thought about the history behind those school essentials?
The pencil “lead” is actually a mixture of graphite and clay. More clay in the mixture makes the lead harder. A harder lead has a higher number. Pencils are numbered from 1-3 but most people use a ...