About: http://webisa.webdatacommons.org/101955810

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	However, there is a limit to making the electromagnetic transformer small in size and thin because it needs to have a withstand voltage against the voltage as high as several kVrms.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com