Other issues to watch out for when food, wax, etc. is attached to the part where there is no letters, numbers, etc.
What Is Considered Strong Salt Water? What Is Considered a Lot of Salt Water?;
מחמת חסרון כיס Machmas Chesron Kis: Raw Meat;
(Melting ice.) pouring warm water on congealed gravy (on dishes); placing meat or chicken with congealed gravy in a warm area;