About: http://webisa.webdatacommons.org/226421790

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	FIG. 7 illustrates a method of operating a free-piston engine such as the one shown in FIG. 6 using a six-stroke cycle.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au