Different types of examples of squeezing out liquids that were absorbed in various types of foods.
(Melting ice.) Other types of necessities (in conjunction with putting frozen liquids and warm areas): child, oneg Shabbos, etc.
חסרון כיס Chesron Kis: How Do We Work With Paper in the Context of Muktza?;
Bending the top of the page; putting one letter next to another; שרטט קוים באוכלים.