(Melting ice.)
ממצוא חפציך (Mimtzo Cheftzecha): How to Deal With a מצוה (Mitzvah);
Foods - Putting Cocoa Powder with Milk, Making Soda, Making Seltzer, Ice, and Cases Where It Does Apply to Food;
Is one allowed to dress a child in their pajamas on Shabbos even though they are not going to sleep until after Shabbos;