About: http://webisa.webdatacommons.org/102761087

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 second virtue is the ease in turning off the magnet, in case there is a need to do so, as in an emergency situation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com