What's an example of a task that requires knowledge of physical objects to perform?
How can I keep an oar that I am tracing from moving around?

What's an example of a task that requires knowledge of physical objects to perform?
How to fix a plastic key holder which is broken or split?

What's an example of a task that requires knowledge of physical objects to perform?
Reduce heartburn pain.

What's an example of a task that requires knowledge of physical objects to perform?
To attach pieces of metal together for can crusher.