| Answer | Crossword Clue |
|---|---|
| RUHR | Industrial area of Europe |
| SAAR | Industrial area of Europe. |
| SAAR | Industrial area in Europe. |
| ESSEN | Industrial city of Europe |
| SAAR | Industrial region of Europe. |
| SAAR | Industrial region in Europe. |
| RUHR | Major industrial region, in Europe. |
