What's an example of a task that requires knowledge of physical objects to perform?
Make an outdoor fort.

What's an example of a task that requires knowledge of physical objects to perform?
How do I post photos for other to see

What's an example of a task that requires knowledge of physical objects to perform?
How do I get gunk off of my sofa?

What's an example of a task that requires knowledge of physical objects to perform?
Treat a headache with natural remedy.