About: http://webisa.webdatacommons.org/284222779

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	It should be appreciated that the work or drill string may be made of steel, a steel alloy, a composite, fiberglass, or other suitable material.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com