| Answer | Crossword Clue |
|---|---|
| ARGON | Gas used in light tubes |
| ARGON | Gas used in light bulbs, radio tubes, etc. |
| XENON | Gas used in tubes |
| XENON | Gas used in TV tubes |
| ARGON | Inert gas used in vacuum tubes |
| ARGON | Gas used in light bulbs. |
| Answer | Crossword Clue |
|---|---|
| ARGON | Gas used in light tubes |
| ARGON | Gas used in light bulbs, radio tubes, etc. |
| XENON | Gas used in tubes |
| XENON | Gas used in TV tubes |
| ARGON | Inert gas used in vacuum tubes |
| ARGON | Gas used in light bulbs. |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.