About: http://webisa.webdatacommons.org/436489010

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	This head (81) is also equipped with a vehicle-mounted electronics system which allows it to return to the operator all of the information needed for the execution of the works, such as the depth at which it is located, for example.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com