About: http://webisa.webdatacommons.org/311276719

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 filler material may be a gas, liquid, foam, or gel, including a hydrogel.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com