jest kilka trafień w Guglu, ale tak naprawdę, to zgaduję
myślę, że to może być coś analogicznego do:

TECHNICAL PLAY PRODUCTION
At that time, the graduate program concentrated on the training of stage directors, offering a wide variety of courses in technical play production and in theater history and dramatic literature and criticism, in an effort to capitalize the new alliance of professional theater groups and universities evolving throughout the country at the time.
http://ls.berkeley.edu/dept/theater/AboutUs/history.html