About: http://webisa.webdatacommons.org/78423218

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	A fluid passage 24 extends through adapter 12 and starter rod 18, allowing flow of a pressurized medium such as drilling fluid or pressurized air through the drill string.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca