About: http://webisa.webdatacommons.org/50291376

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	Examples of suitable pressures are a pressure of approximately 30 psig or more on the hydrogenproduction side of the membrane and a pressure of approximately 5 psig or less on the product side of the membrane.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk