About: http://webisa.webdatacommons.org/455899674

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	Both the spring and sphere are constructed of electrically conductive metals or alloys such as steel.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com