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. [moving and transporting equipment]
8. [moving and transporting machinery]
9. pumping machinery
10. pumps (machinery)

Anotations

Scope note:

Screw-shaped surfaces mounted inside a pipe, used for raising water. These are among the earliest form of hydraulic machine used for lifting water from a low-lying body of water onto another surface, often for irrigation. In a contemporary context, Archimedean screw pumps are widely used in wastewater treatment plants and for dewatering low-lying regions.