td>50</td>
<td>242</td>
<td>14 October 1954</td>
<td>222</td>
<td>21:00</td>
</tr>
</table>
<h2><span class="mw-headline" id="Protective_dam">Protective dam</span></h2>
<div class="thumb tleft">
<div class="thumbinner" style="width:202px;"><a href="//en.wikipedia.org/wiki/File:Zatvor-c2.JPG" class="image"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/01/Zatvor-c2.JPG/200px-Zatvor-c2.JPG" width="200" height="150" class="thumbimage" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/