https://studylib.net/doc/27687277/maximum-allowable-operating-pressure
MAOP: Maximum Allowable Operating Pressure Explained
Learn about Maximum Allowable Operating Pressure (MAOP), MAWP, design pressure, and safety standards for pressure vessels and pipelines.
https://steamcommunity.com/sharedfiles/filedetails/?id=220357929
Steam Workshop::(MURDER) Sweet Bro and Hella Jeff - THE MAOP