About: http://webisa.webdatacommons.org/243068723

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	One of the most common involves sandwiching a metal core or plate between layers of heat-resistant facing material (typically a cork/rubber material or a mixture of rubber, cellulose, clay, and other ingredients).
http://www.w3.org/ns/prov#wasQuotedFrom	screenweb.com