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

What's an example of a task that requires knowledge of physical objects to perform?
One seeks to be more green.

What's an example of a task that requires knowledge of physical objects to perform?
How to toast a lot of bread at once?

What's an example of a task that requires knowledge of physical objects to perform?
What is the best size for a napkin holder?