What's an example of a task that requires knowledge of physical objects to perform?
How can I cleanly make crisp fat free flour taco shells?

What's an example of a task that requires knowledge of physical objects to perform?
How to protect your cell phone from breaking.

What's an example of a task that requires knowledge of physical objects to perform?
how do you articulate words?

What's an example of a task that requires knowledge of physical objects to perform?
Recycle newspaper and use in garden.