Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Van Nellefabriek' has mentioned 'Reinforced concrete' in the following places:
Occurrence Sentence Text Source
Wiebenga, at that time a specialist for constructions in reinforced concrete, and built between 1925 and 1931.
Supported on an internal structure of reinforced concrete, the facades of the main buildings consist essentially of steel and glass, making large-scale use of the curtain wall principle.