What's an example of a task that requires knowledge of physical objects to perform?
when should I add a detergent pod?

What's an example of a task that requires knowledge of physical objects to perform?
How to glue inlays to neck of ukulele.

What's an example of a task that requires knowledge of physical objects to perform?
Mix Special Liquid to make Glow in the Dark Bouncy Egg

What's an example of a task that requires knowledge of physical objects to perform?
Make cookies without oven.