What's an example of a task that requires knowledge of physical objects to perform?
razor blades

What's an example of a task that requires knowledge of physical objects to perform?
stick

What's an example of a task that requires knowledge of physical objects to perform?
For making an acrylic router base plate, what type of acrylic should I use?

What's an example of a task that requires knowledge of physical objects to perform?
Make patio stepping Stones