Related Clues:
- Dangerous stuff preferably used during an emergency call
- ''Hello ..., my old friend'' (Simon and Garfunkel)
- ’90s glam rock band? Not The Shadows
- Lack of light
- Ask nerds somehow does this ever see the light of day
- Bassets milling round old condemned building material
- Fire-retardant material
- Old fire-retardant
- An alarming message about extremely risky material
- Animal wisest to duck inside for fire protection
- A call for help to bury worst insulating material
- Heat-resistant mineral
- Unlit state
- Insulating mineral
- Evil; lack of light