Other issues to watch out for when food, wax, etc. is attached to the part where there is no letters, numbers, etc.
Putting Fruits into One's Pocket (Not a Basket). Fruits That Fell Out of a Basket or Box into Debris or Dirt;
(Squeezing materials.) using a "MOP"on Shabbos;
how to work with disposable diapers on Shabbos;