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P. M. C. S. is like a military gear’s annual physical, except it’s done with a wrench and a lot of swearing.
My tank just failed P. M. C. S. because the toilet wouldn’t flush.
The helicopter had to go through P. M. C. S. because it kept coughing smoke.
They did P. M. C. S. on the tank and found out the radio was just a duck call.