About: http://webisa.webdatacommons.org/68074102

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	The plenum materials may be mild steel, stainless steel, fiberglass, polymers such as Polyethylene, Polypropylene, Polyester, Specialty Resins and composites.
http://www.w3.org/ns/prov#wasQuotedFrom	patentgenius.com