About: http://webisa.webdatacommons.org/347235064

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	Also, each cutting arm may include a suitable number of freewheeling cutters 90, depending upon the length of the cutting arm, weight of the underreamer, earth material to be encountered, and other factors.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com