What's an example of a task that requires knowledge of physical objects to perform?
Keep lunch box cool.

What's an example of a task that requires knowledge of physical objects to perform?
preventing burned garlic while sauteing

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

What's an example of a task that requires knowledge of physical objects to perform?
To put many different songs on a blank CD,