About: http://webisa.webdatacommons.org/86305449

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 upper, outer surface of body portion 21 carries an air impervious element which comprises a thin film or sheet of suitable plastic such as polyethylene, polypropylene, poly(vinyl chloride), or poly(ethylene-vinyl acetate).
http://www.w3.org/ns/prov#wasQuotedFrom	google.es