| Answer | Crossword Clue |
|---|---|
| MACH | Number associated with a boom |
| MOLE | Measure associated with Avogadro's number |
| FRI | Day associated with an unlucky number: Abbr. |
| YELL | Compete with a boom box |
| CRANE | It goes out with a boom |
| RADIOSHACKLE | Old-fashioned restraint with a built-in boom box? |
