11.  Dan Torgersen, technical director of the Optical Laboratories Association, a trade association in Fairfax, Va., points out that polycarbonate has some drawbacks.

12.  Ellenbogen is still board chairman at Hologic while Stein is senior vice president and serves as chief technical director for both companies.

13.  Flashlight in hand, the technical director, Phil Jordan, ex of the Boston Ballet, is conducting a private backstage tour.

14.  He denied union suggestions that his technical directors are exploited.

15.  He could not say whether Mejnertsen was last month appointed as technical director, a new addition to management, with the intention of replacing Viskinge Jensen.

16.  He lives in Atlanta but is technical director of malicious code research for TruSecure Corp. in Herndon, Va.

17.  He is the technical director of the BadLANs.

18.  His technical director is Moltar, another former villain in a Darth Vader outfit who operates a one-lever control panel that resembles a video slot machine.

19.  Last year, Blanks was technical director for a kick-boxing scene in Ally McBeal.

20.  MacKenzie, who has been tour manager for three years, started as lighting director, then became technical director.