About: http://webisa.webdatacommons.org/33973917

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	By outer surface of the PTC layer is meant a surface thereof not contiguous with a constant wattage layer and, conversely, for the constant wattage layer, the outer surface thereof is a surface not contiguous with the PTC layer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk