About: http://webisa.webdatacommons.org/366017795

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	Alternatively, the power applied to the actuator may be reversed, such as by pressurizing an opposite port of a hydraulic or pneumatic cylinder.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com