What's an example of a task that requires knowledge of physical objects to perform?
How do I hold down some loose papers on my desk?

What's an example of a task that requires knowledge of physical objects to perform?
To keep a broken lid on a cooler

What's an example of a task that requires knowledge of physical objects to perform?
To make green paint, you can

What's an example of a task that requires knowledge of physical objects to perform?
to prevent a wood clamp from staining wood