About: http://webisa.webdatacommons.org/15520990

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	The rod 24 may be coupled to a suitable driving mechanism such as an electric motor and cam arrangement (not shown) for providing the reciprocating motion for the piston.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com