About: http://webisa.webdatacommons.org/243573374

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	Such contact means usually include a metal ring and a brush or other element adapted to physically contact the ring to provide an electrical connection.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com