What's an example of a task that requires knowledge of physical objects to perform?
To create your own sanding block, you can

What's an example of a task that requires knowledge of physical objects to perform?
How do you make buttermilk?

What's an example of a task that requires knowledge of physical objects to perform?
How do you end a phone call kindly?

What's an example of a task that requires knowledge of physical objects to perform?
How should water be forced from freshly prepared tofu?