About: http://webisa.webdatacommons.org/43942883

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	Devices known as ???pigs??? were inserted into pressurized pipelines and driven through pipes by product flow to remove deposits and other obstructions.
http://www.w3.org/ns/prov#wasQuotedFrom	cadalyst.com