What's an example of a task that requires knowledge of physical objects to perform?
How to cut open the top of a helium bottle?

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

What's an example of a task that requires knowledge of physical objects to perform?
How do you mail a letter?

What's an example of a task that requires knowledge of physical objects to perform?
Start doing basic aerobic and cardio exercise