About: http://webisa.webdatacommons.org/69245408

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	However, there was a time not too long ago when those materials weren???t available to bike builders and frames were all made from steel.
http://www.w3.org/ns/prov#wasQuotedFrom	bikeportland.org