About: http://webisa.webdatacommons.org/2020393

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	You may revoke any union authorization card you have signed by simply signing a letter, card, petition, or other document stating that you do not support the union, or that you support another union.
http://www.w3.org/ns/prov#wasQuotedFrom	nrtw.org