About: http://webisa.webdatacommons.org/303215543

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 stretch of the membrane may be varied in different regions by varying its thickness, adding stiffening structure such as ribs, or using composites.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk