About: http://webisa.webdatacommons.org/199028583

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	oil and gas pressure control and separation equipment, including valves, wellheads, controls, chokes, blowout preventers and assembled systems
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net