| Answer | Crossword Clue |
|---|---|
| flagmen | a person who signals with a flag |
| flagmen | person who signals with a flag or lantern, as at a railroad crossing |
| flagman | A person who gives signals with a flag, esp. on railroad lines or during road construction |
| signalman | a person who operates railway signals |
| signalmen | SIGNALMAN, a person who operates railway signals |
| monitors | A person who listens to and reports on foreign radio broadcasts and signals |
