About: http://webisa.webdatacommons.org/193581469

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	The most effective shielding materials are dense, low conductive materials such as iron & cobalt.
http://www.w3.org/ns/prov#wasQuotedFrom	discovermagazine.com