About: http://webisa.webdatacommons.org/437466502

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	It will be readily apparent to those of ordinary skill in the art that flexible materials other than EPDM, such as various rubber materials, plastic materials, fabric materials, etc., may be used in the membranes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com