What's an example of a task that requires knowledge of physical objects to perform?
Apply a splint to a broken finger.

What's an example of a task that requires knowledge of physical objects to perform?
What kind of saw is needed to construct a desk?

What's an example of a task that requires knowledge of physical objects to perform?
remove food coloring stain from counter top

What's an example of a task that requires knowledge of physical objects to perform?
When working with glass how can I protect my eyes?