| Answer | Crossword Clue |
|---|---|
| sigmatrons | SIGMATRON, a machine generating high-potential X-rays |
| Answer | Crossword Clue |
|---|---|
| sigmatrons | SIGMATRON, a machine generating high-potential X-rays |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.