Cases when food, drinks, wax, etc. fell in an area where there is NO letters, numbers, pictures.
CORRECTION;
Pinworms, Ticks, and More Information About Insects Found in a Sink;
הכנה ליום אחר (Preparations for a Weekday): Washing Dishes on Shabbos for Sunday. Releasing a Halachic Vow (הַתָּרַת נְדָרִים);