English abbreviations from pgs to ph
- PGS(Grand Canyon Caverns Airport (FAA: L37))
- PGSA(Pennsylvania Governor's School for the Arts)
- PGT(Princeton Gamma Technologies)
- PGU(Professional Growth Unit)
- PGV(Pitt-Greenville Airport)
- PGW(Publishers Group West)
- PGX(Périgueux Bassillac Airport)
- PGY(Post Graduate Year)
- PGY-1(first post-graduate year)
- PGY-2(second post-graduate year)
- PGY-3(third post-graduate year)
- PGY-4(fourth post-graduate year)
- PGY-5(fifth post-graduate year)
- PGZ(Pokemon Gameboy Zone)
- pH(Expression of acidity or alkalinity. pH 7 is neutral;above 7 alkalinity increases; below 7 acidity decreases.)
