About: http://webisa.webdatacommons.org/440876331

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	This is true unless the piston and plunger 92 are in a position such as in FIG. 2 to be moved in the direction of arrow 154.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk