About: http://webisa.webdatacommons.org/149096836

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	If divers are using anything other than air in their tanks then they should have the tank oxygen cleaned annually by certified technicians.
http://www.w3.org/ns/prov#wasQuotedFrom	go.com