About: http://webisa.webdatacommons.org/47850010

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	First, pressure is a scalar quantity, not a vector quantity, and has no direction.
http://www.w3.org/ns/prov#wasQuotedFrom	dieselnet.com