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• Laughter is a tranquilizer with no side effects.
• Engine 3- "On the Scene, Fire Showing!
• My mind is a real scheme engine.
• My other car is a fire engine ...
• Jet Engine Theory: Suck, Squeeze, Bang, Blow!
• My girlfriend is so fat ("HOW FAT IS SHE?"), that when she sits on my motorcycle, you can't hear the engine!
• A Long Flight... Fifteen minutes into the flight from Kansas City to Toronto, the captain announced, "Ladies and gentlemen, one of our engines has failed.
  There is nothing to worry about. Our flight will take an hour longer than scheduled, but we still have three engines left....
• A mathematician, an engineer, and a computer scientist are vacationing together.
  They are riding in a car, enjoying the countryside, when suddenly the engine stops working....
• A mathematician is flying non-stop from Edmonton to Frankfurt with AirTransat.
  The scheduled flying time is nine hours. Some time after taking off, the pilot announces that one engine had to be turned off due to mechanical failure...