What does PT. stand for?

What does PT. mean?

PT	Personal Transport Governmental » Transportation
PT	Power Tour Community » Sports
PT	Pressure Transducer Academic & Science » Chemistry
PT	Private Type Governmental » Military
PT	Panel Truck Governmental » Transportation
PT	Panorama Tools Business » Firms
PT	Peak to Trough Academic & Science » Electronics
PT	Pencil Test Medical » Physiology
PT	Performance Tuned Governmental » Transportation
PT	Physical Torture Governmental » US Government
PT	Platinum The Miscellaneous » Unclassified
PT	Pressure Treated Business » Products
PT	Peak Torque Academic & Science » Physics
PT	Per Turn Miscellaneous » Unclassified
PT	Picture Title Community » Media
PT	Point Taken Miscellaneous » Unclassified
PT	Perseroan Terbatas Miscellaneous » Unclassified
PT	Pretty Tiny Miscellaneous » Clothes
PT	Pro Trajectory Community » Sports
PT	Parallel Time Miscellaneous » Science Fiction
PT	Particular Transfer Miscellaneous » Unclassified
PT	Personal Truck Governmental » Transportation
PT	Posterior Tibial pulse Medical » Physiology
PT	Process Tracker Computing » Software
PT	Perpetual Traveler Business » Positions