How long does a knot have to be tied to be considered a "קשר של קימא". (Knot of permanence).
Understanding How to Handle a Mixture of Solids and Liquids;
Foods - Putting Cocoa Powder with Milk, Making Soda, Making Seltzer, Ice, and Cases Where It Does Apply to Food;
Putting Back a Glass Top into a Coffee Table, a Drawer Which Came Out of a Desk, Fixing an Earring Which Is Bent Out...