| NOUN | artifact | ventilation shaft | a shaft in a building |
|---|
| Meaning | A shaft in a building; serves as an air passage for ventilation. | |
|---|---|---|
| Part of | ventilation, ventilation system, ventilating system | A mechanical system in a building that provides fresh air |
| Broader | air passage, air duct, airway | A duct that provides ventilation (as in mines) |
| shaft | A vertical passageway through a building (as for an elevator) | |
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