What's an example of a task that requires knowledge of physical objects to perform?
Open a modern quartz movement watch to replace the battery.

What's an example of a task that requires knowledge of physical objects to perform?
How do you keep cold air out?

What's an example of a task that requires knowledge of physical objects to perform?
sand paper

What's an example of a task that requires knowledge of physical objects to perform?
To clean a cast iron skillet,