filter up

1. (ідіома)Of information, knowledge or practice; to move slowly up to other levels of an organisation, or population.

   There are some brilliant new approaches being created at grass-roots level, but it is taking a long time for them to filter up to the larger institutions.

1. "What was wrong with it?" "The filter was clogged up."

   ru"В чём была неисправность?" — "Засорился фильтр". — nina99nv

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неправильне

• filter outвідфільтрувати, відфільтровуватиTo selectively remove part of something.
• filter upOf information, knowledge or practice; to move slowly up to other levels of an organisation, or population.
• filter downOf a liquid; to move slowly down to lower substrate levels.