What's an example of a task that requires knowledge of physical objects to perform?
How do I remove tarnish from copper?

What's an example of a task that requires knowledge of physical objects to perform?
Where can I put a cake to cool down?

What's an example of a task that requires knowledge of physical objects to perform?
Enjoy your backyard wasp free

What's an example of a task that requires knowledge of physical objects to perform?
To stop ads from popping up on smart phone games for free,