About: http://webisa.webdatacommons.org/98575374

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 carriage may be controlled automatically, such as by a stepping motor wherein rotation is indexed to the number of pulses emitted by the laser in accordance with a program pre-established by a computer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com