About: http://webisa.webdatacommons.org/282944882

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	Valves 725 at one or both ends of each cylinder 705 allow individual cylinders to be vented to atmosphere (path 721), if necessary, during maintenance or other situations.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com