The deep story is about the outsiders . The parts that fail. The ones that make the red light flash and the pneumatic exhaust vent hiss like a disappointed snake. Those parts are pulled aside. A technician—usually the new one, the one who still believes in perfection—will take a failed valve to the optical comparator. They’ll find a burr, a scratch, a speck of cutting oil that didn't get washed away. The rejection is correct.
The testing station cannot see the future. It can only see the now. festo testing station
But this is only the surface story. The deep story is what the machine doesn't tell you. The deep story is about the outsiders