Other issues to watch out for when food, wax, etc. is attached to the part where there is no letters, numbers, etc.
Is One Allowed to Step on Any Type of Liquids Released While Coughing or Sneezing (e.g., Saliva, etc.)?;
Understanding When One May Bite Off or Pull Off Part of Their Nail. What Should One Do When Needing to Remove Dead Skin?;