About: http://webisa.webdatacommons.org/272162833

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 headrail 12 is preferably fabricated from aluminum, although alternative versions could be fabricated from other suitable materials such as plastic.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com