About: http://webisa.webdatacommons.org/41539268

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	In embodiments in which vacuum chamber 86 is formed of a different material, such as stainless steel, electromagnetic shield 88 can be mechanically located around the outer wall of the vacuum chamber 86.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca