1) режим работы
2) рабочий цикл
3) производительность; мощность; энергоёмкость
4) использование; функциональное назначение
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- abnormal duty
- arduous duty
- continuous duty
- continuous operating periodic duty
- continuous running duty
- heavy duty
- intermittent continuous duty
- intermittent duty
- intermittent periodic duty
- light duty
- load duty
- medium duty
- moderate duty
- normal duty
- operating duty
- periodic duty
- rated duty
- reversing duty
- rugged duty
- severe duty
- short time duty
- specific duty
- starting duty
- temporary duty
- uninterrupted duty
- varying duty