(Muktzah-הלכות מוקצה Ep. 41) (#1590) חסרון כיס Chesron Kis: Fruit Which Fell From the Tree. Food One Sells During the Week.

(Melting ice.) pouring warm water on congealed gravy (on dishes); placing meat or chicken with congealed gravy in a warm area;

What are some of the guidelines to the halacha of swimming on Shabbos;

מבטל כלי מהיכנו (nullifying a vessel from its normal usage). Putting a כלי (utensil/vessel) under candles to catch oil, to catch the candle and...