What's an example of a task that requires knowledge of physical objects to perform?
To clean ash out of a bong,

What's an example of a task that requires knowledge of physical objects to perform?
What material can I use to make a metal cloak pin?

What's an example of a task that requires knowledge of physical objects to perform?
To soothe a newborn baby,

What's an example of a task that requires knowledge of physical objects to perform?
How do you set up a slideshow picture frame?