The rapidly turning mixing shafts travel in opposite directions, guaranteeing highly effective mixing.

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Russian:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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Быстро вращающиеся в противоположных направлениях валы гарантируют высокую степень смешивания.