About: http://webisa.webdatacommons.org/414441125

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	Other elements or combinations of elements such as gold, copper or silver for example may also be utilized to achieve optimum X-ray absorbency in the collimator depending on the energy or wavelengths of the radiation to be absorbed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com