About: http://webisa.webdatacommons.org/346463628

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	A variety of materials are appropriate for the spring including metals, polymers or composite materials, such as fiberglass or graphite.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com