| Answer | Crossword Clue |
|---|---|
| INTAKES | Passageways for air. |
| DUCTS | Passageways for heat or air |
| INTAKES | Air passageways |
| DUCTS | Air passageways |
| DUCTS | Air-conditioning passageways |
| FLUES | Passageways for Santa |
| CROSSOVERS | Passageways for pedestrians. |
| ARCADES | Passageways for shoppers |
| CHIMNEYS | Passageways for Santa |
