About: http://webisa.webdatacommons.org/354109657

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	Mounted inside the apparatus is a perforating means for creating a perforation through the casing and into the borehole.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com