Write the next sentence in the following story.

How to clean copper roof
Wear non-slip shoes with a good tread.
When working on your rooftop, it's important to have the proper footwear so that you can stay steady and keep your balance. Otherwise, there's the potential to slip and injure yourself.
Sneakers or boots with a deep tread are typically best for working on rooftops. There are also boots that are made specifically for those who do roofing work.