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

What's an example of a task that requires knowledge of physical objects to perform?
how do you contaminate something?

What's an example of a task that requires knowledge of physical objects to perform?
To secure wicks to the bottom of jars so they are stable while pouring wax candles.

What's an example of a task that requires knowledge of physical objects to perform?
How can I get a zipper unstuck?