About: http://webisa.webdatacommons.org/124477776

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	Such things as newspapers or animal hairs on fan inlet screens, dirt-encrusted fan blades, and birds' nests in unprotected stacks have all been seen to contribute to sooting and/or the generation of carbon monoxide at various times.
http://www.w3.org/ns/prov#wasQuotedFrom	nationalboard.org