What's an example of a task that requires knowledge of physical objects to perform?
What can I use to make a cheap fake brick wall in my house?

What's an example of a task that requires knowledge of physical objects to perform?
Keep your washing machine clean smelling

What's an example of a task that requires knowledge of physical objects to perform?
How do I protect a sun room addition from wind when building it?

What's an example of a task that requires knowledge of physical objects to perform?
Remove tough jar lid without straining wrists.