| Answer | Crossword Clue |
|---|---|
| cylinder | machine part or opening in this form |
| trimmer | A crosspiece fixed between full-length joists (and often across the end of truncated joists) to form part of the frame of an opening in a floor or roof |
| trimmers | A crosspiece fixed between full-length joists (and often across the end of truncated joists) to form part of the frame of an opening in a floor or roof |
| feeding | move into a machine or opening in order to be used or processed |
| feed | move into a machine or opening in order to be used or processed |
| mouths | The corresponding opening through which an animal takes in food (at the front of the head in vertebrates and many other creatures), or the cavity behind this |
