A waffle maker is placed on top of a microwave, followed by a large red 'X' symbol.

The video shows a kitchen counter with a microwave. A person places a waffle maker on top of the microwave. Then, a red 'X' symbol appears over the waffle maker, indicating it's not safe. The waffle maker is removed. A black shelf unit is then assembled and placed over the microwave. Various kitchen appliances like a coffee maker and a kettle are placed on the shelf. Finally, a toaster and a small pot are placed on the shelf.