sentences:  Each set was consisted of two boards, hinged in the middle, and contained between 12 and 15 prints of frames from the film, with the frame number indicated on the board.Brugioni prepared identical one sheet of notes that accompanied each set the briefing boards, which included the name of each person who had seen the film and worked on the production of the prints and briefing boards.When the work was complete, Dino Brugioni reviewed the briefing boards and notes with his superior, Arthur Lundahl, whom he had called and requested come to the facility.