About: http://webisa.webdatacommons.org/47937973

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	Air is the most important thing in the pneumatic system, and as we all know, air is available in the world around us in unlimited quantities at all times and places.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com