Some more important examples of temporary writing, which come up on a weekly shabbos.
What Is the Difference Between a Mixture of Solids and a Mixture of Liquids?;
Part #1. Pulling off a hanging thread from a jacket, socks, etc., and removing a loose button;
wallpaper, pieces of paint or plaster. Making a hole on the top of a baby bottle. Understanding the concept of making a hole on...