About: http://webisa.webdatacommons.org/447149652

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	Moreover, to increase the outside surface area of the heat exchanger, which is typically designed to have air or other gas blownthereacross, fins are welded or otherwise secured to the outside surface of the pipeline.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com