| Answer | Crossword Clue |
|---|---|
| openers | device for opening sealed containers |
| opener | device for opening sealed containers |
| cassette | A sealed plastic unit containing a length of audiotape wound on a pair of spools, for insertion into a recorder or playback device |
| cassettes | A sealed plastic unit containing a length of audiotape wound on a pair of spools, for insertion into a recorder or playback device |
| shutter | device for opening and closing a camera lens |
