About: http://webisa.webdatacommons.org/65797421

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 shafts of the above-mentioned work rolls 22 are connected to a speed controller 31, composed of such units as an electric motor, for moving the workpiece 23.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com