About: http://webisa.webdatacommons.org/383601638

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	The sealing packer 107 substantially prevents any fluids such as mud from escaping between the apparatus 101 end the casing 110.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com