What's an example of a task that requires knowledge of physical objects to perform?
To remove the handle from a scooter, you can

What's an example of a task that requires knowledge of physical objects to perform?
To make your own free mulch.

What's an example of a task that requires knowledge of physical objects to perform?
Remove crust from cooking pan.

What's an example of a task that requires knowledge of physical objects to perform?
How can I keep my clothes from fading in the wash?