Therefore, the labyrinth screw pump can make use of the performance ascendancy of a plurality of labyrinth screw bodies and overcome the performance limitation of one labyrinth screw body.

This limitation isn't a problem as long as you only apply the technique selectively in cases where reflection performance is really a bottleneck.

Another limitation to money as a reward is that, in most organizations, performance reviews-and corresponding salary increases-occur only once a year.