About: http://webisa.webdatacommons.org/174629025

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	Flow regulators configured and positioned to control the amount of flow removed through theexternal flow surface can include structures other than a door (e.g., a variable-position valve).
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com