About: http://webisa.webdatacommons.org/67311273

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	They may be made of brass, plastic, hard rubber or other similar materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com