Wearing shoes with letters and pictures on the bottom.
Water on the table; making pictures and letters in the shade.
Lowering the Strength of a Fan, Dimming the Lights, Lowering the Settings on a Heater or Refrigerator;
Usage of a kli (instrument designated for squeezing fruits).
Does the Concept of Derech Achila (The Way a Person Eats) Apply to the Melacha of Meraked?;