About: http://webisa.webdatacommons.org/37084450

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	As for Iron or other magnetic materials, they might be part of the design, required to concentrate the magnetic field, but in general, induction heating is from currents induced in a conductor.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com