Understanding the difference between "DOSH" and "BORER".
More Important Information in Reference to the Refrigerator and Its Light. How to Work with Water Coolers on Shabbos;
Understanding the concept of "הפסד" (paying for losses).
Understanding the Concept of מינו נצוד (a Creature That Is Commonly Trapped for Its Usage) and אין מינו נצוד (Not Commonly Trapped);