About: http://webisa.webdatacommons.org/443286274

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	Each diaphragm element is formed of a heavy metal, such as tungsten, which is capable of blocking radiation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca