t;&quot;</span>     
    <span class="n">_ACCEPTED_TYPES</span> <span class="o">=</span> <span class="p">[</span>
        <span class="s1">&#39;drillpipe&#39;</span><span class="p">,</span>
        <span class="s1">&#39;drill_collar&#39;</span><span class="p">,</span>
        <span class="s1">&#39;accelerator&#39;</span><span class="p">,</span>
        <span class="s1">&#39;stabilizer&#39;</span><span class="p">,</span>
        <span class="s1">&#39;short_collar&#39;</span><span class="p">,</span>
        <