Related Clues:
- They may be blue or cloudy
- Stopgap employee
- Worker paid day by day, maybe
- Nonpermanent office worker
- What planes fly through
- Time and __ (radio news update)
- Take to the ___ (fly)
- Holiday sub
- Work as a sub
- Worker from an agency
- Piece of scrap metal raised from sub
- When they’re clear, they’re blue
- Blue ___ (clear forecast)
- Irving Berlin's "Blue __"
- Substitute teacher, e.g