fixing a Hat, Dust on a Hat, a Dent in an Aluminum Foil Pan, Plastic Fruit Cup, and Shaking Down a Thermometer;
Putting Away Laundry That Is Still Hanging Around From Before Shabbos. Taking Out Frozen Milk or Frozen Challah for After Shabbos;
Understanding the logic between mixing horseradish and mayonnaise as opposed to baby cereal, etc.