About: http://webisa.webdatacommons.org/41753313

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	ng material 24 is a material such as Styrofoam?? or the like, although any conventional insulating material may be used.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com