About: http://webisa.webdatacommons.org/383738005

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 magnetic particles are ferromagnetic materials, such as iron, iron alloys, ferrites, and the like which can be thinly or partially coated with a small amount, such as about one part per hundred of a polymer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com