About: http://webisa.webdatacommons.org/323033402

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	These terms designate either types of pistons or certain characteristics and phenomena of pistons.
http://www.w3.org/ns/prov#wasQuotedFrom	sae.org