About: http://webisa.webdatacommons.org/218616401

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 pressure can be indicated either directly in units of pressure such as bar , atmospheres, or (more commonly) as an equivalent water depth in metres (in the United States sometimes also in feet).
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org