What's an example of a task that requires knowledge of physical objects to perform?
How to attach the ropes to the exercise machine base?

What's an example of a task that requires knowledge of physical objects to perform?
How long should I bake a strawberry rhubarb pie for ?

What's an example of a task that requires knowledge of physical objects to perform?
Cut a very small paper disc.

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