What does PT. stand for?

What does PT. mean?

PT	Preferential Treatment Business » Positions
PT	Partido del Trabajo International » Spanish
PT	Partido del Trabajo International » Mexican
PT	Personal Touch Governmental » Military
PT	Party Time Community
PT	Potty Training Community » Educational
PT	Police Training Community » Law
PT	Practice Test Academic & Science » Universities
PT	Public Transportation Community
PT	Passenger Traffic Governmental » Transportation
PT	Protocol Translation Computing » Networking
PT	Punch Through Community » Law
PT	Portugal Telecom, S. A. Business » NYSE Symbols
PT	Pickup Truck Miscellaneous » Unclassified
PT	Print Thread Computing » General
PT	Peace Time Governmental » Military
PT	Personal Transportation Governmental » Transportation
PT	Power Test Academic & Science » Electronics
PT	Potential Transformer Academic & Science » Electronics
PT	Plenary Talk Governmental » United Nations
PT	Point of Tangency Academic & Science » Mathematics
PT	Piece of Trash Miscellaneous » Funnies
PT	Phineas Taylor Community » Famous
PT	Pre-Test Community » Educational
PT	Port Townsend, Washington Regional » States