About: http://webisa.webdatacommons.org/285103003

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	Additionally, an inlet valve and/or an exhaust valve can optionally be included, either separately or integrated with another component, such as a compressor or reservoir, for example.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com