What's an example of a task that requires knowledge of physical objects to perform?
To paint the wooden iPhone case.

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

What's an example of a task that requires knowledge of physical objects to perform?
Use strawberries and baking soda to whiten teeth

What's an example of a task that requires knowledge of physical objects to perform?
to get the best flavor from your spices