What's an example of a task that requires knowledge of physical objects to perform?
If I find hair in my food and return it, how can I be SURE I am getting a replacement item and not the same dirty food back?

What's an example of a task that requires knowledge of physical objects to perform?
What can I use for legs in a portable camping side table?

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

What's an example of a task that requires knowledge of physical objects to perform?
Start doing basic aerobic and cardio exercise