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.
One of the earliest sharpeners was invented by Guhl and Hurbeck in 1897 in Germany. It was called the Jupiter Pencil Pointer and weighed 5 lbs. it was 12 inches long and had over 30 cutting edges.