What's an example of a task that requires knowledge of physical objects to perform?
How to upvote a comment on Reddit.

What's an example of a task that requires knowledge of physical objects to perform?
Double the amount of juice extracted from lemons.

What's an example of a task that requires knowledge of physical objects to perform?
How do I sand the wall when making a magnetic drywall?

What's an example of a task that requires knowledge of physical objects to perform?
How to clean a bicycle helmet?