What's an example of a task that requires knowledge of physical objects to perform?
Clean scale of the inside of a tea kettle.

What's an example of a task that requires knowledge of physical objects to perform?
how do you go on a shopping spree?

What's an example of a task that requires knowledge of physical objects to perform?
Reduce shininess of makeup.

What's an example of a task that requires knowledge of physical objects to perform?
Fix blurry smartphone camera.