About: http://webisa.webdatacommons.org/401460117

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 present invention uses a highly pressurized liquid, such as water or chemicals, to inject within the interior of the pipe, thus flushing the surface and removing air handling by-product buildup.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr