PTO
Meaning of PTO in English
/ ˌpiː tiː ˈəʊ; NAmE ˈoʊ/ abbreviation
( BrE ) please turn over (written at the bottom of a page to show that there is more on the other side)
Oxford Advanced Learner's English Dictionary.
Оксфордский английский словарь для изучающик язык на продвинутом уровне.
2005