About: http://webisa.webdatacommons.org/273884865

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	Broadly defined, ventilation is a method of controlling the environment with air flow. ??? ???Safety and Health Topics: Ventilation???, osha.govControlling Ventilation to Protect Health and Increase Energy Efficiency.
http://www.w3.org/ns/prov#wasQuotedFrom	wordsdomination.com