What's an example of a task that requires knowledge of physical objects to perform?
Restore plastic solar cells so they can fully recharge

What's an example of a task that requires knowledge of physical objects to perform?
how do I get a ring off myfinger that is stuck?

What's an example of a task that requires knowledge of physical objects to perform?
Remove gloss from furniture.

What's an example of a task that requires knowledge of physical objects to perform?
cereal box