| Answer | Crossword Clue |
|---|---|
| RNA | Protein builder (Abbr.) |
| AMINOACID | Protein builder |
| AMINO | ... acid (protein builder) |
| DNA | Protein synthesizer: abbr. |
| ATT | Case builder: Abbr. |
| ENG | Bridge builder: Abbr. |
| ENGR | Bridge builder: Abbr. |
| INT | Bankbook builder: abbr. |
| TVA | Fontana Dam builder: Abbr. |
| TVA | Tellico Dam builder (abbr.) |
| DDS | Bridge builder, maybe: Abbr. |
| ENGR | Bridge builder, for one (Abbr.) |
| ENGR | Bridge builder, e.g.: Abbr. |
