if something is made of something else then that something can be broken down into that something else
separated_thing is divided_thing. separated_thing is not divided_thing. change is when_one_thing_becomes_another_thing. goods is not tangible_thing. making_wooden_thing is not making. man_made is unnatural_thing. making is not creating_artifact. change is not when_one_thing_becomes_another_thing. thing is substance. man_made is not unnatural_thing.