About: http://webisa.webdatacommons.org/219031548

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	The radiation source lumen 22 is manufactured as a co-extruded shaft having an inner layer made of a material such as polyethylene and an outer layer made of a material such as Pebax, nylon, or Primacor.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au