1. Home
  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. infrastructural elements
  9. transportation elements
  10. [road and roadside elements]
  11. [manholes and manhole components]
  12. manholes
Scope note
Holes, usually with a cover, through which a person may enter sewers, steam drains, or similar underground passages, especially those located in city streets.
Accepted term: 10-Jun-2024