Related Clues:
- Caltech grad, perhaps
- Certain Caltech grad, briefly
- Bridge builder, for one (Abbr.)
- Road designer, e.g.: Abbr
- Certain tech sch. grad
- Contrive finish (not start) without drink
- Soldier, perhaps English one, originally called Rex
- American whose job is on the line
- Contact him if the motor starts to hesitate
- Plan trap wearing mask, hiding face
- Operator means to connect with the Queen
- Bring about change in green energy, in short
- US or Canadian train driver
- Designer of machines etc
- Designer of machinery and structures