How long does a knot have to be tied to be considered a "קשר של קימא". (Knot of permanence).
Is One Allowed to Press the Button on a Fan to Control the Oscillating (Turning Back and Forth) Cycle on Shabbos? Using Water Vaporizers...
Some various closing thoughts on S'char Shabbos.
Having a Non-Jew Sweep a Dirt Ground;