What does P.T.O. stand for?

What does P.T.O. mean?

PTO	Process Time Out Computing » General
PTO	Payment Treatment and Operations Business » Accounting
PTO	Please Talk Out Miscellaneous » Funnies
PTO	Pull Toyota Out Miscellaneous » Funnies
PTO	Permanently Turned Off Business » Products
PTO	Please Turn Over Business » General
PTO	Power Test Operations Governmental » NASA
PTO	Participating Test Organizations Governmental » NASA
PTO	Patent and Trademark Office (U.S. Department of Commerce) Governmental » FDA
PTO	Publishing Tech Business » London Stock Exchange
PTO	Pareto Corporation Business » Toronto Stock Exchange
PTO	Photo Me Australia Ltd Business » ASX Symbols
p.t.o.	please turn over Business » General
PTO	Pacific Theater of Operations [WW2] Governmental » Military