This is one example of many castles in the medieval time period. There were many parts to a castle. But, it depended on how the castle was built to recognize parts that did and did not appear on the castle built.
Like spray paint, these markers give off volatile organic compounds. Some of the most recently made permanent markers are made from recycled plastic.[citation needed] The permanent marker was invented in 1952 by Sidney Rosenthal.
Modern Pens. The first marker was probablythe felt tip marker, created in the 1940's. It was mainly used for labeling and artistic applications. In 1952, Sidney Rosenthal began marketing his Magic Marker which consisted of a glass bottle that held ink and a wool felt wick.