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.
In Australia, the term marker usually refers only to large-tip markers, and the terms felt-tip and felt pen usually refer only to fine-tip markers. Markers in Australia are often generically called texta, after a brand name of a type of permanent marker.