About: http://webisa.webdatacommons.org/321622358

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	Re your second question, there is definitely a difference, because the manufacturing process is also technology, other than the materials used.
http://www.w3.org/ns/prov#wasQuotedFrom	starbike.com