About: http://webisa.webdatacommons.org/281007411

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 turbulence promoters may take any form, such as semi-spherical projections or ribs which extend circumferentially or at an angle.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com