About: http://webisa.webdatacommons.org/310902636

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 test date is permanently stamped on the cylinder if it passes inspection.
http://www.w3.org/ns/prov#wasQuotedFrom	scuba-tutor.com