What's an example of a task that requires knowledge of physical objects to perform?
Hang extra hangers together.

What's an example of a task that requires knowledge of physical objects to perform?
How can I safely cut sheet metal with a hacksaw?

What's an example of a task that requires knowledge of physical objects to perform?
How to take out weeds from the garden?

What's an example of a task that requires knowledge of physical objects to perform?
how to wash a cup?