What's an example of a task that requires knowledge of physical objects to perform?
To plug a device into a UPS.

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

What's an example of a task that requires knowledge of physical objects to perform?
How to make a simple beer opener?

What's an example of a task that requires knowledge of physical objects to perform?
To cut the end of a metal post.