What's an example of a task that requires knowledge of physical objects to perform?
Prevent shoes from getting other items in luggage dirty.

What's an example of a task that requires knowledge of physical objects to perform?
How to get a crispier crust on potatoes when baking?

What's an example of a task that requires knowledge of physical objects to perform?
How to pull a chain onto a bicycle?

What's an example of a task that requires knowledge of physical objects to perform?
Make SOS flag.