(Melting ice.)
Blowing Dust Off an Item (e.g., a Shelf, Sefer). Part 2: Spitting into the Air;
pull tab rings attached to orange juice containers, grapefruit juice containers, etc. (Making a nice usable opening on Shabbos.);
Other issues to watch out for when food, wax, etc. is attached to the part where there is no letters, numbers, etc.