#man_hour__manhour__personhour  a time unit used in industry for measuring work
  supertype:  hour__hr__60_minutes  a period of time equal to 1/24th of a day; "the job will take more than an hour"
  part of:  workday__working_day__workingday  the amount of time that a worker must work for an agreed daily wage; "they work an 8-hour day"

No statement uses or specializes man_hour; click here to add one.