Understanding the concept of "מדידה של מצוה" (measuring for a mitzvah).
how to work with a broken toilet seat, sink handles, draw that fell off its track;
הכנה לחול (Preparations for a Weekday): Is There a Limit to the Amount of Exertion Used When Doing the Action?;
Fruits or Vegetables Which Spilled Out of a Basket or Box in the Kitchen, Living Room, Dining Room, etc.