About: http://webisa.webdatacommons.org/204026879

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 gas sources of FIG. 2 are illustrated generally, and may include any components associated with providing a controlled gas flow to the nozzle, such as tubes, valves, gas cylinders, temperature control apparati, and other components.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com