#trades_union__union__labor_union__laborunion__trade_union__tradeunion__brotherhood  an organization of employees formed to bargain with the employer; "you have to join the union in order to get a job"
  supertype:  organization__organisation  a group of people who work together
  part of:  labor_movement
  subtype:  industrial_union__vertical_union  a labor union that admits all workers in a given industry irrespective of their craft
     subtype:  Teamsters_Union  an industrial union of truck drivers and chauffeurs and warehouse workers
     subtype:  United_Mine_Workers_of_America__United_Mine_Workers  an industrial union of mine workers in North America
  subtype:  craft_union  a labor union whose membership is restricted to workers in a particular craft
  subtype:  company_union__companyunion  a union of workers for a single company; a union not affiliated with with a larger union

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