| Answer | Crossword Clue |
|---|---|
| SNORKEL | Diver's breathing device |
| SNORKEL | Diver's device |
| SCUBA | Diver's device |
| AQUA | ...-Lung (diver's device) |
| SCUBA | Deep-sea diver's device |
| SCUBA | Breathing device |
| LUNG | Aqua-.. (breathing device) |
| SNORKEL | Breathing device enabling protracted submarine immersion. |
