About: http://webisa.webdatacommons.org/85526887

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 membranes may be made from fiberglass composite, reinforced nylon, sheet metal or other suitable materials that may be conveniently and cheaply fabricated, shaped and reshaped in a manner known to those skilled in the art.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com