#workday__working_day__workingday  the amount of time that a worker must work for an agreed daily wage; "they work an 8-hour day"
  supertype:  day.work_time  the recurring hours when you are not sleeping (especially those when you are working); "my day began early this morning"; "it was a busy day on the stock exchange"; "she called it a day and went to bed"
  part:  man_hour__manhour__personhour  a time unit used in industry for measuring work
  part:  work_shift__shift__duty_period  the time period during which you are at work

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