1. Law of Mechanical Repair - After your hands become coated with grease, your nose will begin to itch and you'll have to pee.
This one is more like the "Law of Soiled Hands", as in "no soonee get chicken all over hands and your nose will start to run".
10. Law of the Result - When you try to prove to someone that a machine won't work, it will.
When I was younger (and lived in NJ), Dad used to take care of whatever ailed my car. Which ailment usually disappeared as soon as I pulled into his driveway.