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

What's an example of a task that requires knowledge of physical objects to perform?
how do you look up an address?

What's an example of a task that requires knowledge of physical objects to perform?
How do you scare your sister with green army men?

What's an example of a task that requires knowledge of physical objects to perform?
How do ensure the shelves will fit?