About: http://webisa.webdatacommons.org/21325317

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	The surge in horizontal and directional drilling was the catalyst to bring rack and pinion technology to the forefront, Mr Gullaksen suggested. ???We need the tools to drill these wells, and rack and pinion is an excellent choice.???
http://www.w3.org/ns/prov#wasQuotedFrom	drillingcontractor.org