What's an example of a task that requires knowledge of physical objects to perform?
can opener

What's an example of a task that requires knowledge of physical objects to perform?
How can I keep my trash from getting soupy at the bottom?

What's an example of a task that requires knowledge of physical objects to perform?
How do you get yellow stains out of clothing?

What's an example of a task that requires knowledge of physical objects to perform?
How do I improve my mood naturally?