About: http://webisa.webdatacommons.org/62024348

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	Though different materials are available such as carbon and aluminum that are considered for the purpose of manufacturing IR heaters, you cannot obtain as much efficiency as that of tungsten.
http://www.w3.org/ns/prov#wasQuotedFrom	pereka3d.com