About: http://webisa.webdatacommons.org/205070219

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	Wattmeter Errors Electrodynamic wattmeters are subject to errors arising from such factors as temperature and frequency.
http://www.w3.org/ns/prov#wasQuotedFrom	rfcafe.com