What's an example of a task that requires knowledge of physical objects to perform?
To crack an egg shell, you can

What's an example of a task that requires knowledge of physical objects to perform?
To relieve a migraine with fruit juice,

What's an example of a task that requires knowledge of physical objects to perform?
How do you get rid of termites?

What's an example of a task that requires knowledge of physical objects to perform?
How to boil eggs.