Public Address
Selective Service System.
Operating System.
At a railway station, a PA (public address) system is used to inform passengers of arriving and departing trains.
international system of units
si units are based on the metric system system international (French) international system (English)
Public announcement
PA Stand For Pennsylvania
pa = Per Annum / Per Year
Pennsylvania
Public announcement
Nylon
it stands for Pennsylvania
PA behind a person's name can stand for Physician's Assistant. A Physician's Assistant is a medical professional who assists the doctor.
Pa stand for father or dad just another name for pa, father, or dad. Pascals-- a unit of pressure
if I were to guess it would probably stand for Public Announcement.
Paisley and Argyll
public accountant