Answer | Crossword Clue |
---|---|
XENON | Gas in radio tubes |
ARGON | Gas used in light bulbs, radio tubes, etc. |
NEON | Gas in tubes |
XENON | Gas in television tubes |
XENON | Gas used in tubes |
ARGON | Gas used in light tubes |
XENON | Gas used in TV tubes |
NEON | Inert gas in vacuum tubes |
ARGON | Inert gas used in vacuum tubes |
ARGON | Element in radio tubes |