What's an example of a task that requires knowledge of physical objects to perform?
How to cure and seal concrete?

What's an example of a task that requires knowledge of physical objects to perform?
How to more easily fold thick pieces of leather.

What's an example of a task that requires knowledge of physical objects to perform?
To remove the inflated balloons from inside the wrapped yarn,

What's an example of a task that requires knowledge of physical objects to perform?
Keep food warm when bringing to Thanksgiving.