What's an example of a task that requires knowledge of physical objects to perform?
What can I give my Mom that she'll like and is cheap?

What's an example of a task that requires knowledge of physical objects to perform?
How to simmer habanero pepper in chili.

What's an example of a task that requires knowledge of physical objects to perform?
how to make nut clusters

What's an example of a task that requires knowledge of physical objects to perform?
What's a good substitute for meat in a hamburger.