About: http://webisa.webdatacommons.org/217683795

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	As materials such as iron and steel, factories became more machine driven.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com