About: http://webisa.webdatacommons.org/4973249

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	Actuators such as reciprocating cylinders may be provided for moving the punches from the retracted position to the extended position.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com