About: http://webisa.webdatacommons.org/242507385

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 addition, the interior of both the inner and the outer air cushions 1 and 2 may be filled with a gaseous fluid, such as air, a low-percolating large particle gas, such as SF6, C2F6, etc., a liquid fluid or a semi-fluid substance.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es