About: http://webisa.webdatacommons.org/15882646

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 shell is filled with filling material such as saline or some other liquid or a gel.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com