About: http://webisa.webdatacommons.org/253641653

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	As shown in FIG. 8 or 9, the collimator 5 is formed by boring a large number of honeycomb-shaped or circular pores in a disk of an electrically conductive metal, such as stainless steel.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com