About: http://webisa.webdatacommons.org/229016407

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 finger is formed of a soft material, such as aluminum or similar material, which is capable of blocking t,he electron beam.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com