| Answer | Crossword Clue |
|---|---|
| TUNGSTEN | Lightbulb filament metal |
| lightbulbs | LIGHTBULB, a glass bulb containing a low-pressure gas and a metal filament which glows when an electric current is passed through it |
| TUNGSTEN | Light-bulb filament metal |
| TUNGSTEN | Light bulb filament metal |
| microwire | a very strong, very fine filament of metal or other material |
| microwires | MICROWIRE, a very strong, very fine filament of metal or other material |
| lightbulb | a glass bulb containing a low-pressure gas and a metal filament which glows when an electric current is passed through it |
