| Answer | Crossword Clue |
|---|---|
| NEON | Liquid ... (cryogenic refrigerant) |
| NEON | Cryogenic refrigerant |
| ETHANE | Cryogenic refrigerant |
| NEON | It's used as a cryogenic refrigerant |
| cryogens | a substance for obtaining low temperatures refrigerant called also cryogenic |
| NEON | Liquid ... (refrigerant) |
| CRYOGEN | Liquid used as a refrigerant |
