AIR-PUMP INITIALS Crossword Clue
AIR-PUMP INITIALS Crossword Clue
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Crossword Puzzle Infos
The term AIR-PUMP INITIALS is an acronym for the three letters PSI, which stands for Pounds per Square Inch. PSI is a unit of pressure measurement used to measure the amount of force that is applied to an area of one square inch. It is commonly used in the automotive and aerospace industries to measure the pressure of air or fuel in a system.