About: http://webisa.webdatacommons.org/262368311

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 support hangers 60 are preferably formed of a rigid material such as sheet metal, composite material, plastic or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com