About: http://webisa.webdatacommons.org/216065940

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	Therefore, when a recording head is produced, stored or transported, it is necessary to fill a liquid, e.g. an ink, for maintaining the polar group.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com