Related Clues:
- Smoke on stage, taking gamble about lines
- Fluid in refrigeration
- Haunted-house supply
- Carefully controlled refrigerant
- Solid carbon dioxide used as a refrigerant
- Gamble about railway - it merely looks like steam
- Gamble with taking lines, a product of being solid?
- Carbon dioxide vapour used on stage
- For refrigeration, element often needed initially
- Last two characters in 14 across consumed by betting object found in special effects kit
- Air conditioning gas
- Refrigerant
- Fog machine substance
- Chemical coolant
- Source of theatrical fog