 class="reference internal" href="commands.html#wrd">wrd</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="exercise_03-building_carrrels.html">Exercise: Building carrels</a><ul>
<li class="toctree-l2"><a class="reference internal" href="exercise_03-building_carrrels.html#from-sample-data">From sample data</a></li>
<li class="toctree-l2"><a class="reference internal" href="exercise_03-building_carrrels.html#from-your-data">From your data</a></li>
<li class="toctree-l2"><a class=