About: http://webisa.webdatacommons.org/156468486

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	Lead and tin alloy with variable thickness was used as a shielding material which has a form of sheet.
http://www.w3.org/ns/prov#wasQuotedFrom	aapm.org