About: http://webisa.webdatacommons.org/322782092

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	Their biggest challenge was mainly removing rocks that were too large to pass through the nozzles.
http://www.w3.org/ns/prov#wasQuotedFrom	goldgold.com