moving staircase is a type of…
- en constructed route (n) ➜
- en electrical device (n) ➜
- en externally powered device (n) ➜
- en mechanical device (n) ➜
- en stationary conveyance (n) ➜
Synonyms
- en escalator (n, artifact) ➜
Links to other resources
- sw.opencyc.org /2012/05/10/concept/en/Escalator