About: http://webisa.webdatacommons.org/175982878

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	Due to convection and re-radiation from the roof of the furnace, and other factors, the top portion of a vertically arranged heater element tends to run hotter than the lower portion.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk