| Answer | Crossword Clue |
|---|---|
| SONAR | Underwater wave generator |
| EEL | Underwater current generator |
| MASER | Electromagnetic wave generator |
| Answer | Crossword Clue |
|---|---|
| SONAR | Underwater wave generator |
| EEL | Underwater current generator |
| MASER | Electromagnetic wave generator |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.