• Shift work: work carried out according to a timetable that entails working according to a fixed schedule outside normal hours of work.

  • Continuous work: work done in semi-continuous or continuous shifts.

  • Semi-continuous work: a system of shift work whereby work is carried out in 5 uninterrupted 24-hour periods.

  • Constant continuous work: a system of shift work whereby work is carried out during a whole week without interruption.

  • Shifted hours of work: hours of work which show a fixed deviation from the normal hours of work.

  • Shift work allowance: an allowance to compensate work carried out during shift work and shifted hours of work.

    This article does not apply to employees engaged in cleaning work.