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<p>the brewery, beer type and alcoholic strength of the beer being served through that handpump.</p>

<p>The handle of a handpump is often used as a symbol of <a href="page.php?w=cask_ale">cask ale</a>.  This style of beer has continued fermentation and uses porous and non-porous pegs, called spiles, to respectively release and retain the gases generated by fermentation and thus achieve the optimum level of carbonation in the beer.</p>

<p>In the 1970s many breweries were keen to replace cask conditioned ale with <a href="page.php?w=keg">keg</a> versions</p><p>
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