About: http://webisa.webdatacommons.org/384092013

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 working unit such as the boom and the arm and the traveling unit can be selectively driven by using the electronic joystick.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com