About: http://webisa.webdatacommons.org/362240336

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 protective cover 10 is made of a relatively stiff material such as aluminum or plastic, but is preferably made of a resilient metal such as spring steel.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com