About: http://webisa.webdatacommons.org/127996850

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	It is not dependent upon products which labor can secure, such as machines, coal, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	econlib.org