Related Clues:
- A call for help about worst insulating material
- Arsenic, of the highest quality, and osmium could be the cause
- Like the finest old style fireproof material
- Fibrous material
- Fire extinguisher?
- Like top sailor's material
- Sends criminal to capture vessel that's seen at night?
- Insulating material, like finest used by sailor
- A call for assistance after swallowing foremost poisonous material
- Insulating material in Lyons is restricted by court orders
- Base's upset with drunkard overturning building material?
- When premium's above average size, it's fireproof
- Material not to be made light of?
- It's heat-resistant and most effective in an emergency
- A call for help, boxing top material considered hazardous