About: http://webisa.webdatacommons.org/213795285

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	Generally, the piston is a rod, ram, plunger, or other similar structure that is disposed within the housing.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com