What's an example of a task that requires knowledge of physical objects to perform?
What type of greenhouse glass is recommended?

What's an example of a task that requires knowledge of physical objects to perform?
How do I put a 1 1/8 inch hole in the wood?

What's an example of a task that requires knowledge of physical objects to perform?
How to burp your baby

What's an example of a task that requires knowledge of physical objects to perform?
To fix a stuck SNES controller button.