(Squeezing materials.) how to work with various types of brushes on Shabbos. (E.g., toothbrush, baby bottle brush, etc.);
Inserting Stuffing into a Couch Pillow, Detaching Connected Toothpicks, and Putting Back an Unattached Chair Seat or Cushion;
How to Manage a Fire on a Gas Range When Opening a Window or Door;