As a technician, the final smiled at me.
From the NII-2, better known as the “Marphine Bowl”. About the seriousness of this office of history jumped here, I will tell, or rather, tell my own.

The security department is probably second in status after the secretaries. In particular, they make a verdict on the possibility of using a particular component in the products being developed. The parameters specified by the manufacturer exceed a couple of times, if the component can withstand, include in the list of permitted for installation in responsible devices. This time on the test button. Not quite a simple but still an ordinary button that has no right to fail to work or accidentally work at the most inappropriate moment. Tests for humidity, shocks, etc., all according to the regulations. Most importantly, the button must be pressed. The provider claims there are millions of unsuccessful clicks. Only there it was calculated by the formulas, and here the regulation is to check in natural conditions. After how many clicks the employee will go crazy, not checking. In the experimental production ordered a primitive mechanical finger. The idea is simple: two digital counters, one counts the fingers in the button, the other - the facts of clicks. In fact, for statistics, there are several buttons pressed with one push, not the point. Especially gambling even bets made when this damn button is broken. The day comes, the buttons have already developed the resource specified in the documentation, and the testimonials of all the counters coincide. The moment of truth has come. The account stopped. I could not withstand the pressure.
This type of button was unanimously decided to be allowed for use in combat equipment.