What's an example of a task that requires knowledge of physical objects to perform?
How can I keep a completed puzzle from coming apart?

What's an example of a task that requires knowledge of physical objects to perform?
Prevent toothbrush from falling from sink counter.

What's an example of a task that requires knowledge of physical objects to perform?
How do you prevent scars from forming?

What's an example of a task that requires knowledge of physical objects to perform?
To thread a needle,