About: http://webisa.webdatacommons.org/393424656

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	Referring more in detail to FIG. 1 of the drawing, this figure is a schematic representation of the complete device showing segments arranged in train like fashion, and literally worming its way through the earth 8.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com