About: http://webisa.webdatacommons.org/292521700

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	A variety of materials, including both plastics and metals, can be used for the frangible portion 18, and the frangible portion 18 need not be made from the same material used for the anchor 14 or extension member 12.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk