| Answer | Crossword Clue |
|---|---|
| FILMSTRIP | Item in audio-visual education. |
| faders | multiple-unit volume control used in changing gradually from one signal source to another, decreasing the volume from the first audio or visual source while increasing the volume from the second |
| fader | multiple-unit volume control used in changing gradually from one signal source to another, decreasing the volume from the first audio or visual source while increasing the volume from the second |
