Keywords: spool, reel, projector, projectionist
Sign Definition
As a Noun
                                            1.  A round object onto which film can be wound, especially before it is put in a projector. English = spool, reel.
                                          
                                          
                                        
                                            2.  A machine that turns a spool of film and projects the film onto a screen or wall. English = projector.
                                          
                                          
                                        
                                            3.  A person whose job is to work a projector, for example in a cinema. English = projectionist.
                                          
                                          
                                        As a Verb or Adjective
                                            1.  To operate a projector.