| Answer | Crossword Clue |
|---|---|
| XENON | Element in arc lamps |
| XENON | Gas in arc lamps |
| XENON | Gas used in arc lamps |
| HALOGEN | Element in some lamps |
| Answer | Crossword Clue |
|---|---|
| XENON | Element in arc lamps |
| XENON | Gas in arc lamps |
| XENON | Gas used in arc lamps |
| HALOGEN | Element in some lamps |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.