About: http://webisa.webdatacommons.org/52848201

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	These stiffening elements, which are desirably disposed on the surface of the flexible roof facing away from the forming zone, may be formed of stainless steel, carbon fiber, fiberglass or other composites, plastic compounds or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com