(Squeezing materials.)
The Concept of Trapping a Slow-moving Creature (e.g., Turtle, Caterpillar);
Is there a problem with unfolding clothing (e.g., TALIS, pants, etc.) on Shabbos and folding a paper napkin on a line;
Understanding the Concept of Opening a Door or Window Right Next to a Burning Candle or Flame;