About: http://webisa.webdatacommons.org/423056266

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 use of cylinders or tanks that contain pressurized gas such as air or oxygen are commonly in fields such as fire and rescue for use in conjunction with a breathing apparatus.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk