Squeezing juices from non edible fruits onto solid foods.
How to Work with Dishwashers on Shabbos;
How to Get Rid of a Flea or Mosquito When It Is on One's Skin or Inside One's Clothing;
More Important Points About Actions Involving One's Hair and the Difference Between Melachot of Gozez (Shearing) and Menapaitz (Combing);