But since 2003, the Bush administration has been able to bypass the media filter and go directly to the public through "Ask the White House," its online interactive forum.

Backwash cycles are far more frequent when compared to a media filter with similar capacity, and each backwash requires far less water to perform.

The runoff water usually goes through a fine media filter and proceeds downwards where it is collected via a perforated pipe leading to downstream waterways or storages.

To produce drinking water, it uses a range of different technologies such as settling, flottation, media filters, membrane ultrafiltration, ozone purification or ultraviolet disinfection systems.

Backwashing of granular media filters involves several steps.

Only certain kinds of responses-in fact, those that conform to the conditions of the propaganda model-pass through the media filter, with only occasional exceptions.

Synthetic media filters are usually electrostatically charged to increase efficiency.

It will make his life more hectic, but it is a good way to state his case directly to hardened Eagles fans without a media filter.

In this report, this little band of oligarchs is setting up instruments to neutralise any representatives of the people who might get through the electoral and media filters.

Obviously, both clubs were heavily coached, but this gave fans a chance to see them without the so-called media filter.