| Clue | Source | Date |
|---|---|---|
| Sheet metal producer (Danielle, John Stuart) | Universal | 02 Jun 2022 |
| Sheet metal producer | Eugene Sheffer | 01 Jul 2019 |
| Sheet metal producer | Thomas Joseph | 06 May 2017 |
| Automaker supplier | Newsday | 08 Sep 2016 |
| Pig-iron processor (with a tree) | Newsday | 29 Apr 2016 |
| Heavy metal venue? | New York Times | 10 Apr 2016 |
| Old Bethlehem sight | ||
| Blast furnace site | ||
| Metal producer | ||
| Coke consumer | ||
| Sheet metal producer | ||
| Heavy metal producer? | ||
| Sheet metal producer | ||
| Bethlehem sight | ||
| Where heavy metal was founded |