About: http://webisa.webdatacommons.org/353469953

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	As another embodiment, the disc 902 may be made from a magnetic material, such as a permanent magnet or an electromagnet.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com