| Clue | Source | Date |
|---|---|---|
| Requiring low temperatures | Eugene Sheffer | 30 Apr 2019 |
| Relating to very low temperatures | The Telegraph General Knowledge | 26 Mar 2017 |
| Keen to return - nice to be transported when it's extremely cold | ||
| Freezing cold year in polar region at the far end of Antarctic | ||
| Report government invested in working on ice at low temperatures |