Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Object Groupings and Systems (hierarchy name)
4. systems (equipment)
5. [systems by function]
6. conveying systems
7. horizontal conveying systems

Anotations

Scope note:

Conveying systems having a moving surface on which passengers stand or walk and that remains parallel to its direction of travel; for similar devices designed to carry passengers or goods either horizontally or up inclines, use "moving ramps."