Wearing shoes with letters and pictures on the bottom.
Water on the table; making pictures and letters in the shade.
Understanding Halachic Concepts Related to Mouse Traps;
Does the Concept of Derech Achila (The Way a Person Eats) Apply to the Melacha of Meraked?;
to clog a small crack in a pipe. Turning off gas range. Putting on, taking off smoke detector. Unscrewing the bulb that's off;