What's an example of a task that requires knowledge of physical objects to perform?
How can I make leather pliable?

What's an example of a task that requires knowledge of physical objects to perform?
To deodorize a pair of shoes.

What's an example of a task that requires knowledge of physical objects to perform?
How to prep yarn for dye.

What's an example of a task that requires knowledge of physical objects to perform?
How do I clean out my drawers of a dresser?