What's an example of a task that requires knowledge of physical objects to perform?
To clean your ears when they are dirty.

What's an example of a task that requires knowledge of physical objects to perform?
How can I cool a drink quickly?

What's an example of a task that requires knowledge of physical objects to perform?
Prevent doll hair for hardening.

What's an example of a task that requires knowledge of physical objects to perform?
How to fix a broken mouse.