About: http://webisa.webdatacommons.org/58526385

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	But the tools and materials are of no use except for obtaining the product, or at least are to be applied to no other use, and the labour of their construction can be remunerated only from the product when obtained.
http://www.w3.org/ns/prov#wasQuotedFrom	econlib.org