About: http://webisa.webdatacommons.org/438476003

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	In other embodiments the rollers may be driven directly, and in certain applications, the tendency of such an arrangement to rotate the tubing may be utilised to advantage in, for example bore cleaning or drilling.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk