About: http://webisa.webdatacommons.org/217316439

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	o an air conditioning or heating vent.There may be some fumes in the air caused by paint, natural gas leaks, or other chemicals.
http://www.w3.org/ns/prov#wasQuotedFrom	orchidweb.com