Opening and closing cereal boxes, cookie packages, books, etc. with letters, numbers, pictures printed on them.
Understanding the Logic Behind 'There Is No Mechataich (מחתך) When It Comes to Food Items.';
(Melting ice.) hot and cold deserts; ice cream issues;
How long does a knot have to be tied to be considered a "קשר של קימא". (Knot of permanence).