Understanding the Concept of מינו נצוד (a Creature That Is Commonly Trapped for Its Usage) and אין מינו נצוד (Not Commonly Trapped);
Taking Home a Siddur or Machzor From Shul. Bringing Home a Towel;
floor Drain with Hinges or Handle, Shelf in a Bookcase with Hinges, and the Use of a High Riser or Sofa Bed on Shabbos;