Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Pontcysyllte Aqueduct and Canal' has mentioned 'Arch' in the following places:
Occurrence Sentence Text Source
[22][23] As with Telford's Longdon-on-Tern Aqueduct, the plates are not rectangular but shaped as voussoirs, similar to those of a stone arch.
Using cast iron in this way, in the same manner as the stone arch it supersedes, makes use of the material's strength in compression.