About: http://webisa.webdatacommons.org/121386576

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	A relatively thick, non-custom preformed tray (similar to a mouth guard) made of EVA or polyethylene or other material is submerged in boiling water.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com