One of the two conditions needed for משקה הבא לאוכל (squeezing liquids onto solids).
The Connection the Melocho of Mav'ir Has to Electricity;
Understanding the Concept of Leaving an Item on a Tree from Before Shabbos into Shabbos. Some Halachas About Using the Side of a Tree;
מחמת חסרון כיס Machmas Chesron Kis: The Strings of Unmade ציצית (Tzitzit);