Different types of examples of squeezing out liquids that were absorbed in various types of foods.
A Small טירחא (Tircha, Minor Exertion) to Protect Items From Getting Ruined;
חסרון כיס Chesron Kis: Different Ways of Looking at Writing Paper in Halacha;
Ear Plugs, Examples of Strengthening an Item on Shabbos, Hairspray, Stretching Shoes, etc.