What's an example of a task that requires knowledge of physical objects to perform?
To make sure brackets are straight on a wall, you can

What's an example of a task that requires knowledge of physical objects to perform?
to keep car doors from freezing shut.

What's an example of a task that requires knowledge of physical objects to perform?
How to Make a rubberband ball at home.

What's an example of a task that requires knowledge of physical objects to perform?
easily flavor sauces and stews