About: http://webisa.webdatacommons.org/213900311

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	Reference numeral 32 designates a recording head unit, and reference numeral 321 designates a circular disc-shaped base plate which is made of a metallic material such as aluminum or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au