About: http://webisa.webdatacommons.org/409576012

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 protrusion 18 may comprise a balloon, plug, or other mechanical spacer or structure, and may be fixedly or adjustably connected to the interconnecting member 16.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com