About: http://webisa.webdatacommons.org/50839320

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	h is a weight that is designed to be dropped down the well guided by the tool suspending line to operate the trigger mechanism of the perforator.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com