Understanding the concept of "שכר שבת בהבלעה" (shabbos earnings included with weekday earnings).
Straining Large Pieces of Fruit in a Drink. Using a Filter on a Sink Faucet;
דבר דבר (Dabair Davar): A Better Understanding Into Talking About a Mitzvah;
Tearing or Making a Hole in an Item; Tearing Pieces of Paper, Aluminum Foil, Plastic Wrap, etc.