| Answer | Crossword Clue |
|---|---|
| boilermaker | A metalworker in heavy industry |
| boilermakers | A metalworker in heavy industry |
| ALCOA | Heavy hitter in the light metals industry |
| SMOKESTACK | Heavy-industry |
| MITSUI | Japanese heavy industry. |
| smokestacks | Pertaining to heavy industry |
| smokestack | Pertaining to heavy industry |
| postindustrial | Of or relating to an economy that no longer relies on heavy industry |
