About: http://webisa.webdatacommons.org/199455254

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	Sometimes red iron framing is used just for weight-bearing structural purposes and then mixed with wood, light gauge steel or other materials.
http://www.w3.org/ns/prov#wasQuotedFrom	cleantechies.com