Assertion: concrete | /r/ObjectUse | used in construction
Facets:
value: for over 2000 years
type: TEMPORAL
value: in many ancient structures
type: LOCATION
Source sentences:
text: In industrialised countries, nearly all concrete used in construction is reinforced concrete.
text: Concrete was used for construction in many ancient structures.
text: Form of concrete used in construction
text: Prestressed concrete is a form of concrete used in construction.
text: Concrete has been used in construction for over 2000 years when it was widely used by the Chinese and the Romans.