Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Furnishings and Equipment (hierarchy name)
4. Tools and Equipment (hierarchy name)
5. equipment
6. [equipment by process]
7. construction equipment
8. transferring construction equipment
9. cranes (equipment)

Anotations

Scope note:

Cranes used in manufacturing or assembling heavy objects, composed of a bridge spanning two overhead rails and a hoisting device which moves laterally along the bridge. The bridge can move longitudinally along the rails.