About: http://webisa.webdatacommons.org/47040045

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	WATER / OIL Lubrication Whether you should select an oil or water lubricated system depends upon the type of water to be pumped, the type of installation and other factors.
http://www.w3.org/ns/prov#wasQuotedFrom	drillingrigsindia.com