What's an example of a task that requires knowledge of physical objects to perform?
What material does a trestle style use.

What's an example of a task that requires knowledge of physical objects to perform?
To maintain a sharp shaving blade for longer,

What's an example of a task that requires knowledge of physical objects to perform?
How to keep rare pokemon cards protected.

What's an example of a task that requires knowledge of physical objects to perform?
To cut a piece of gum in half to share.