About: http://webisa.webdatacommons.org/181015711

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	The type of material used is a distinguishing characteristic of the different generations.
http://www.w3.org/ns/prov#wasQuotedFrom	tnvc.com