About: http://webisa.webdatacommons.org/24276888

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 variety of materials may be used for heat transfer material, including waste or other masonary units such as crushed brick, rubble stone, field stone and construction and industrial waste such as steel and glass.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com