What's an example of a task that requires knowledge of physical objects to perform?
How can I clean copper pots and pans?

What's an example of a task that requires knowledge of physical objects to perform?
bend a screwdriver end to replace belt prong

What's an example of a task that requires knowledge of physical objects to perform?
How can I get a stain out of a lampshade?

What's an example of a task that requires knowledge of physical objects to perform?
how to refresh rice or pasta when reheating in the microwave