What Do We Mean by Leaning on a Tree? Items on a Tree Going into Shabbos Remain Muktzeh;
Understanding the Difference Between טירחא יתירה (Tircha Yeseira, Major Exertion) and טירחא סתם (Tircha Stam, Minor Exertion) on Shabbos;
Introduction to the melacha of "DOSH".