About: http://webisa.webdatacommons.org/79963293

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	Between the device and the pole is an adjustable and graduated means which allows angular setting of the drilling unit around the horizon.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com