About: http://webisa.webdatacommons.org/103444303

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	And it was not a monopoly over the construction materials industry, after all, there was always other materials such as steel or concrete for construction.
http://www.w3.org/ns/prov#wasQuotedFrom	capitalismmagazine.com