Assertion: castle's fortification | /r/HasProperty | built of enduring materials
Facets:
Source sentences:
text: Permanent fortifications are erected at leisure, with all the resources that a state can supply of constructive and mechanical skill, and are built of enduring materials.
text: Permanent fortifications are erected at leisure, with all the resources that a state can supply of constructive and mechanical skill, and are built of enduring materials.