About: http://webisa.webdatacommons.org/120682048

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	In some alternative embodiments, the composite material can employ an epoxy or other polymeric foam, wherein the voids are filled with a gas or a vacuum.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca