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<li><a href="//en.wikipedia.org/wiki/British_Association_screw_threads" title="British Association screw threads">British Association screw threads</a> (BA)</li>
<li><a href="//en.wikipedia.org/wiki/British_standard_brass_thread" title="British standard brass thread" class="mw-redirect">British standard brass thread</a></li>
<li><a href="//en.wikipedia.org/wiki/Briti