Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment (hierarchy name)
4. Single Built Works (hierarchy name)
5. single built works (built environment)
6. [single built works by specific type]
7. [single built works by function]
8. research structures
9. research buildings
10. laboratories (buildings)

Anotations

Scope note:

Rooms, buildings, or groups of buildings where issues regarding the natural environment are studied and tested, including issues surrounding effective resource use, resource conservation, and environmental protection.