Is one allowed to clean the table if there is some sort of letter, number, picture made out of items on the table?
What Are Some of the Reasons Why Electrical Appliances Are Not Allowed to Be Turned On (on Shabbos or on Yom Tov)?;
Inserting Stuffing into a Couch Pillow, Detaching Connected Toothpicks, and Putting Back an Unattached Chair Seat or Cushion;
Building a Sukkah on Grass;