What's an example of a task that requires knowledge of physical objects to perform?
How to use a rock as an anchor?

What's an example of a task that requires knowledge of physical objects to perform?
The birds are decimating my grapes just as they are nice a juicy, help!

What's an example of a task that requires knowledge of physical objects to perform?
Create an electrical arc.

What's an example of a task that requires knowledge of physical objects to perform?
Make a neat place to write notes in kitchen.