About: http://webisa.webdatacommons.org/203283488

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	As is known to those skilled in the art, the air or other fluid that is introduced into the system is supplied from a source of fluid under pressure (not shown) through a differential pressure regulator 78 of any suitable design.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com