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

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

What's an example of a task that requires knowledge of physical objects to perform?
To tell if a hard boiled egg is fully cooked.

What's an example of a task that requires knowledge of physical objects to perform?
To keep swim goggles in place when swimming.