Related Clues:
- Heat-resistant glassware used for cooking
- Kitchen glassware brand
- Nonstick cookware product
- Nonstick cookware name
- Cookware brand hidden in 'crestfallen'
- Corningware sister brand
- Glass in many test tubes
- Character marking spot by fire — it resists heat
- Nonstick cookware company
- Nonstick cookware maker
- Pile of wood by heat-resistant glassware
- Heat-resistant glass brand introduced in 1915
- Brand of glass measuring cups
- Cookware brand that's an anagram of "flat"