About: http://webisa.webdatacommons.org/116704559

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 transoms 12,14 are typically formed of a lightweight material, such as for example aluminum, since they are not structural members but instead are utilized to attach curtain wall insulation to the structure of the building.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com