Assertion: lining | /r/MadeOf | prefabricated concrete
Facets:
value: less frequently
type: DEGREE
Source sentences:
text: Lining may be made from cast concrete and reinforced concrete, prefabricated concrete, or metal (cast iron or, less frequently, steel).
text: Lining may be made from cast concrete and reinforced concrete, prefabricated concrete, or metal (cast iron or, less frequently, steel).