About: http://webisa.webdatacommons.org/201987898

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	Alternatively, features, such as ridges or ribs (not shown) on the landing surface 68 are formed to seal the inner opening 72.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es