About: http://webisa.webdatacommons.org/296296965

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	More specifically, each of the coils is surrounded by a generally tubular vacuum wall fabricated from G10, FR4, PTFE or other suitable material, and the various vacuum walls are sealingly connected.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com