About: http://webisa.webdatacommons.org/439596555

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	Sometimes, when threading the valve or other fitting on the pipe, or when unthreading the pipe from one end of the valve or the fitting, the body joint will accidentally unscrew.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com