Understanding why juices coming out of fruits is DOSH.
Is One Allowed to Move Traps on Shabbos (e.g., Mouse Traps, Roach Motels, Flypaper)?;
What makes " שכר שבת בהבלעה" (shabbos earnings included with weekday earnings) different from regular "shabbos earnings".
Various interesting cases in conjunction with weighing on Shabbos.