| Answer | Crossword Clue |
|---|---|
| SMOGINDEX | Industrial era calculation |
| STEAMENGINE | Industrial Revolution-era power source |
| Answer | Crossword Clue |
|---|---|
| SMOGINDEX | Industrial era calculation |
| STEAMENGINE | Industrial Revolution-era power source |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.