About: http://webisa.webdatacommons.org/270585128

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	of most drill strings is between 3 and 12 seconds when drilling is occurring at the depths Where the present invention finds most utility.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com