What's an example of a task that requires knowledge of physical objects to perform?
How can you use an iron to make bacon?

What's an example of a task that requires knowledge of physical objects to perform?
How do you make sure a game retains its value?

What's an example of a task that requires knowledge of physical objects to perform?
How to make the peanut butter cups low calorie?

What's an example of a task that requires knowledge of physical objects to perform?
How to know if a girl enjoys your attention?