Different types of examples of squeezing out liquids that were absorbed in various types of foods.
Is one allowed to use a serving spoon (without holes or slots) to drain off liquids from solids.
Various important examples which come up on Shabbos in conjunction with the halachas of perfuming or putting in a nice smell into an item;
how to work with opening different types of boxes (matzah, cereal, etc.) on Shabbos;