About: http://webisa.webdatacommons.org/183909973

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-free air is especially important in applications such as food processing and semi-conductor manufacturing, where as little as one part per billion (ppb) of oil is unacceptable.
http://www.w3.org/ns/prov#wasQuotedFrom	globalspec.com