About: http://webisa.webdatacommons.org/152815171

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	And still further, space and other considerations may require that a particular furnace not be of the updraft type that can use natural draft.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com