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  2. top of the aat hierarchies
  3. Objects Facet
  4. Components (hierarchy name)
  5. components (objects parts)
  6. [components by specific context]
  7. system components
  8. HVAC components
  9. ventilation system components
  10. blowers
Scope note
Heavy-duty fans, such as those for ventilating building shafts or forcing air through large ducted systems.
Accepted term: 08-Jul-2024