Jessica enters the booth and tries to vanish the rust on the windows, but it doesn't move. After many feeble moves, she gives up and moves to the floor. At least that wasn't as hard as the windows. She goes of to the supply closet to get something a bit stronger to get rid of the rust. 15 minutes laterJessica walks back in and tries to vanish it again, and it worked. Oh, great, why didn't I think of this before, she thought