Related Clues:
- 44-Across by-product
- Smelter junk
- More than enough as storage for gas
- C2H6, familiarly
- Bridge player's goal
- Blast furnace residue
- Foundry byproduct
- Blast furnace waste
- Certain fuel gas
- Smeltery byproduct
- Waste from coal-mining
- Glassy byproduct
- Gas in natural gas
- Byproduct of smelting
- Chemical compound first synthesised by Faraday in 1834