What's an example of a task that requires knowledge of physical objects to perform?
Reflect photography light.

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

What's an example of a task that requires knowledge of physical objects to perform?
How do you make a heavy metal table movable yet to be stable at one place if needed?

What's an example of a task that requires knowledge of physical objects to perform?
How to treat peeling wallpaper.